Home / 1,532.90-2,299.35-1,071.57

Finding the Fourth Proportional to 1,532.90, 2,299.35 and 1,071.57

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Solution

The fourth proportional to 1,532.90, 2,299.35 and 1,071.57 is: 1,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.90 : 2,299.35 = 1,071.57 : x
  2. Step 2: Convert to fraction form
    1,532.90/2,299.35 = 1,071.57/x
  3. Step 3: Cross multiply
    1,532.90x = 2,299.35 × 1,071.57
  4. Step 4: Simplify right side
    1,532.90x = 2,463,927.12
  5. Step 5: Solve for x
    x = 2,463,927.12/1,532.90
  6. Step 6: Final answer
    x = 1,607.36

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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.