Home / 1,715.52-2,367.36-1,052.40

Finding the Fourth Proportional to 1,715.52, 2,367.36 and 1,052.40

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Solution

The fourth proportional to 1,715.52, 2,367.36 and 1,052.40 is: 1,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.52 : 2,367.36 = 1,052.40 : x
  2. Step 2: Convert to fraction form
    1,715.52/2,367.36 = 1,052.40/x
  3. Step 3: Cross multiply
    1,715.52x = 2,367.36 × 1,052.40
  4. Step 4: Simplify right side
    1,715.52x = 2,491,409.66
  5. Step 5: Solve for x
    x = 2,491,409.66/1,715.52
  6. Step 6: Final answer
    x = 1,452.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.