Home / 1,877.67-2,591.35-1,038.51

Finding the Fourth Proportional to 1,877.67, 2,591.35 and 1,038.51

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Solution

The fourth proportional to 1,877.67, 2,591.35 and 1,038.51 is: 1,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.67 : 2,591.35 = 1,038.51 : x
  2. Step 2: Convert to fraction form
    1,877.67/2,591.35 = 1,038.51/x
  3. Step 3: Cross multiply
    1,877.67x = 2,591.35 × 1,038.51
  4. Step 4: Simplify right side
    1,877.67x = 2,691,155.85
  5. Step 5: Solve for x
    x = 2,691,155.85/1,877.67
  6. Step 6: Final answer
    x = 1,433.24

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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.