Home / 3,624.04-5,436.06-1,315.72

Finding the Fourth Proportional to 3,624.04, 5,436.06 and 1,315.72

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Solution

The fourth proportional to 3,624.04, 5,436.06 and 1,315.72 is: 1,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.04 : 5,436.06 = 1,315.72 : x
  2. Step 2: Convert to fraction form
    3,624.04/5,436.06 = 1,315.72/x
  3. Step 3: Cross multiply
    3,624.04x = 5,436.06 × 1,315.72
  4. Step 4: Simplify right side
    3,624.04x = 7,152,332.86
  5. Step 5: Solve for x
    x = 7,152,332.86/3,624.04
  6. Step 6: Final answer
    x = 1,973.58

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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.