Home / 3,854.74-5,779.95-2,623.81

Finding the Fourth Proportional to 3,854.74, 5,779.95 and 2,623.81

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Solution

The fourth proportional to 3,854.74, 5,779.95 and 2,623.81 is: 3,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.74 : 5,779.95 = 2,623.81 : x
  2. Step 2: Convert to fraction form
    3,854.74/5,779.95 = 2,623.81/x
  3. Step 3: Cross multiply
    3,854.74x = 5,779.95 × 2,623.81
  4. Step 4: Simplify right side
    3,854.74x = 15,165,490.61
  5. Step 5: Solve for x
    x = 15,165,490.61/3,854.74
  6. Step 6: Final answer
    x = 3,934.24

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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.