Home / 2,073.11-2,856.02-1,442.55

Finding the Fourth Proportional to 2,073.11, 2,856.02 and 1,442.55

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Solution

The fourth proportional to 2,073.11, 2,856.02 and 1,442.55 is: 1,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.11 : 2,856.02 = 1,442.55 : x
  2. Step 2: Convert to fraction form
    2,073.11/2,856.02 = 1,442.55/x
  3. Step 3: Cross multiply
    2,073.11x = 2,856.02 × 1,442.55
  4. Step 4: Simplify right side
    2,073.11x = 4,119,961.94
  5. Step 5: Solve for x
    x = 4,119,961.94/2,073.11
  6. Step 6: Final answer
    x = 1,987.34

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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.