Home / 1,702.35-2,348.37-1,142.88

Finding the Fourth Proportional to 1,702.35, 2,348.37 and 1,142.88

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Solution

The fourth proportional to 1,702.35, 2,348.37 and 1,142.88 is: 1,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.35 : 2,348.37 = 1,142.88 : x
  2. Step 2: Convert to fraction form
    1,702.35/2,348.37 = 1,142.88/x
  3. Step 3: Cross multiply
    1,702.35x = 2,348.37 × 1,142.88
  4. Step 4: Simplify right side
    1,702.35x = 2,683,905.11
  5. Step 5: Solve for x
    x = 2,683,905.11/1,702.35
  6. Step 6: Final answer
    x = 1,576.59

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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.