Home / 2,289.04-3,433.55-557.66

Finding the Fourth Proportional to 2,289.04, 3,433.55 and 557.66

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Solution

The fourth proportional to 2,289.04, 3,433.55 and 557.66 is: 836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.04 : 3,433.55 = 557.66 : x
  2. Step 2: Convert to fraction form
    2,289.04/3,433.55 = 557.66/x
  3. Step 3: Cross multiply
    2,289.04x = 3,433.55 × 557.66
  4. Step 4: Simplify right side
    2,289.04x = 1,914,763.47
  5. Step 5: Solve for x
    x = 1,914,763.47/2,289.04
  6. Step 6: Final answer
    x = 836.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.