Home / 1,702.32-2,349.18-1,039.05

Finding the Fourth Proportional to 1,702.32, 2,349.18 and 1,039.05

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Solution

The fourth proportional to 1,702.32, 2,349.18 and 1,039.05 is: 1,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.32 : 2,349.18 = 1,039.05 : x
  2. Step 2: Convert to fraction form
    1,702.32/2,349.18 = 1,039.05/x
  3. Step 3: Cross multiply
    1,702.32x = 2,349.18 × 1,039.05
  4. Step 4: Simplify right side
    1,702.32x = 2,440,915.48
  5. Step 5: Solve for x
    x = 2,440,915.48/1,702.32
  6. Step 6: Final answer
    x = 1,433.88

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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.