Home / 1,624.39-2,436.60-470.14

Finding the Fourth Proportional to 1,624.39, 2,436.60 and 470.14

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Solution

The fourth proportional to 1,624.39, 2,436.60 and 470.14 is: 705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.39 : 2,436.60 = 470.14 : x
  2. Step 2: Convert to fraction form
    1,624.39/2,436.60 = 470.14/x
  3. Step 3: Cross multiply
    1,624.39x = 2,436.60 × 470.14
  4. Step 4: Simplify right side
    1,624.39x = 1,145,543.12
  5. Step 5: Solve for x
    x = 1,145,543.12/1,624.39
  6. Step 6: Final answer
    x = 705.21

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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.