Home / 2,877.11-4,307.98-1,642.83

Finding the Fourth Proportional to 2,877.11, 4,307.98 and 1,642.83

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Solution

The fourth proportional to 2,877.11, 4,307.98 and 1,642.83 is: 2,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.11 : 4,307.98 = 1,642.83 : x
  2. Step 2: Convert to fraction form
    2,877.11/4,307.98 = 1,642.83/x
  3. Step 3: Cross multiply
    2,877.11x = 4,307.98 × 1,642.83
  4. Step 4: Simplify right side
    2,877.11x = 7,077,256.98
  5. Step 5: Solve for x
    x = 7,077,256.98/2,877.11
  6. Step 6: Final answer
    x = 2,459.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.