Home / 1,767.15-2,638.17-1,572.75

Finding the Fourth Proportional to 1,767.15, 2,638.17 and 1,572.75

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Solution

The fourth proportional to 1,767.15, 2,638.17 and 1,572.75 is: 2,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.15 : 2,638.17 = 1,572.75 : x
  2. Step 2: Convert to fraction form
    1,767.15/2,638.17 = 1,572.75/x
  3. Step 3: Cross multiply
    1,767.15x = 2,638.17 × 1,572.75
  4. Step 4: Simplify right side
    1,767.15x = 4,149,181.87
  5. Step 5: Solve for x
    x = 4,149,181.87/1,767.15
  6. Step 6: Final answer
    x = 2,347.95

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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.