Home / 1,702.08-2,349.18-1,039.32

Finding the Fourth Proportional to 1,702.08, 2,349.18 and 1,039.32

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Solution

The fourth proportional to 1,702.08, 2,349.18 and 1,039.32 is: 1,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.08 : 2,349.18 = 1,039.32 : x
  2. Step 2: Convert to fraction form
    1,702.08/2,349.18 = 1,039.32/x
  3. Step 3: Cross multiply
    1,702.08x = 2,349.18 × 1,039.32
  4. Step 4: Simplify right side
    1,702.08x = 2,441,549.76
  5. Step 5: Solve for x
    x = 2,441,549.76/1,702.08
  6. Step 6: Final answer
    x = 1,434.45

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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.