Home / 1,532.32-2,299.56-558.46

Finding the Fourth Proportional to 1,532.32, 2,299.56 and 558.46

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Solution

The fourth proportional to 1,532.32, 2,299.56 and 558.46 is: 838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.32 : 2,299.56 = 558.46 : x
  2. Step 2: Convert to fraction form
    1,532.32/2,299.56 = 558.46/x
  3. Step 3: Cross multiply
    1,532.32x = 2,299.56 × 558.46
  4. Step 4: Simplify right side
    1,532.32x = 1,284,212.28
  5. Step 5: Solve for x
    x = 1,284,212.28/1,532.32
  6. Step 6: Final answer
    x = 838.08

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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.