Home / 2,574.76-3,551.37-2,489.11

Finding the Fourth Proportional to 2,574.76, 3,551.37 and 2,489.11

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Solution

The fourth proportional to 2,574.76, 3,551.37 and 2,489.11 is: 3,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.76 : 3,551.37 = 2,489.11 : x
  2. Step 2: Convert to fraction form
    2,574.76/3,551.37 = 2,489.11/x
  3. Step 3: Cross multiply
    2,574.76x = 3,551.37 × 2,489.11
  4. Step 4: Simplify right side
    2,574.76x = 8,839,750.58
  5. Step 5: Solve for x
    x = 8,839,750.58/2,574.76
  6. Step 6: Final answer
    x = 3,433.23

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.