Home / 1,877.78-2,591.27-1,038.44

Finding the Fourth Proportional to 1,877.78, 2,591.27 and 1,038.44

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Solution

The fourth proportional to 1,877.78, 2,591.27 and 1,038.44 is: 1,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.78 : 2,591.27 = 1,038.44 : x
  2. Step 2: Convert to fraction form
    1,877.78/2,591.27 = 1,038.44/x
  3. Step 3: Cross multiply
    1,877.78x = 2,591.27 × 1,038.44
  4. Step 4: Simplify right side
    1,877.78x = 2,690,860.27
  5. Step 5: Solve for x
    x = 2,690,860.27/1,877.78
  6. Step 6: Final answer
    x = 1,433.00

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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.