Home / 1,627.24-2,440.88-473.28

Finding the Fourth Proportional to 1,627.24, 2,440.88 and 473.28

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Solution

The fourth proportional to 1,627.24, 2,440.88 and 473.28 is: 709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.24 : 2,440.88 = 473.28 : x
  2. Step 2: Convert to fraction form
    1,627.24/2,440.88 = 473.28/x
  3. Step 3: Cross multiply
    1,627.24x = 2,440.88 × 473.28
  4. Step 4: Simplify right side
    1,627.24x = 1,155,219.69
  5. Step 5: Solve for x
    x = 1,155,219.69/1,627.24
  6. Step 6: Final answer
    x = 709.93

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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.