Home / 1,702.16-2,540.89-1,677.56

Finding the Fourth Proportional to 1,702.16, 2,540.89 and 1,677.56

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Solution

The fourth proportional to 1,702.16, 2,540.89 and 1,677.56 is: 2,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.16 : 2,540.89 = 1,677.56 : x
  2. Step 2: Convert to fraction form
    1,702.16/2,540.89 = 1,677.56/x
  3. Step 3: Cross multiply
    1,702.16x = 2,540.89 × 1,677.56
  4. Step 4: Simplify right side
    1,702.16x = 4,262,484.82
  5. Step 5: Solve for x
    x = 4,262,484.82/1,702.16
  6. Step 6: Final answer
    x = 2,504.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.