Home / 1,702.38-2,349.21-1,040.34

Finding the Fourth Proportional to 1,702.38, 2,349.21 and 1,040.34

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Solution

The fourth proportional to 1,702.38, 2,349.21 and 1,040.34 is: 1,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.38 : 2,349.21 = 1,040.34 : x
  2. Step 2: Convert to fraction form
    1,702.38/2,349.21 = 1,040.34/x
  3. Step 3: Cross multiply
    1,702.38x = 2,349.21 × 1,040.34
  4. Step 4: Simplify right side
    1,702.38x = 2,443,977.13
  5. Step 5: Solve for x
    x = 2,443,977.13/1,702.38
  6. Step 6: Final answer
    x = 1,435.62

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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.