Home / 1,532.40-2,298.60-558.40

Finding the Fourth Proportional to 1,532.40, 2,298.60 and 558.40

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Solution

The fourth proportional to 1,532.40, 2,298.60 and 558.40 is: 837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.40 : 2,298.60 = 558.40 : x
  2. Step 2: Convert to fraction form
    1,532.40/2,298.60 = 558.40/x
  3. Step 3: Cross multiply
    1,532.40x = 2,298.60 × 558.40
  4. Step 4: Simplify right side
    1,532.40x = 1,283,538.24
  5. Step 5: Solve for x
    x = 1,283,538.24/1,532.40
  6. Step 6: Final answer
    x = 837.60

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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.