Home / 1,877.28-2,590.02-1,214.97

Finding the Fourth Proportional to 1,877.28, 2,590.02 and 1,214.97

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Solution

The fourth proportional to 1,877.28, 2,590.02 and 1,214.97 is: 1,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.28 : 2,590.02 = 1,214.97 : x
  2. Step 2: Convert to fraction form
    1,877.28/2,590.02 = 1,214.97/x
  3. Step 3: Cross multiply
    1,877.28x = 2,590.02 × 1,214.97
  4. Step 4: Simplify right side
    1,877.28x = 3,146,796.60
  5. Step 5: Solve for x
    x = 3,146,796.60/1,877.28
  6. Step 6: Final answer
    x = 1,676.25

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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.