Home / 1,702.35-2,349.41-1,143.98

Finding the Fourth Proportional to 1,702.35, 2,349.41 and 1,143.98

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Solution

The fourth proportional to 1,702.35, 2,349.41 and 1,143.98 is: 1,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.35 : 2,349.41 = 1,143.98 : x
  2. Step 2: Convert to fraction form
    1,702.35/2,349.41 = 1,143.98/x
  3. Step 3: Cross multiply
    1,702.35x = 2,349.41 × 1,143.98
  4. Step 4: Simplify right side
    1,702.35x = 2,687,670.41
  5. Step 5: Solve for x
    x = 2,687,670.41/1,702.35
  6. Step 6: Final answer
    x = 1,578.80

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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.