Home / 3,789.79-5,681.95-2,554.13

Finding the Fourth Proportional to 3,789.79, 5,681.95 and 2,554.13

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Solution

The fourth proportional to 3,789.79, 5,681.95 and 2,554.13 is: 3,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.79 : 5,681.95 = 2,554.13 : x
  2. Step 2: Convert to fraction form
    3,789.79/5,681.95 = 2,554.13/x
  3. Step 3: Cross multiply
    3,789.79x = 5,681.95 × 2,554.13
  4. Step 4: Simplify right side
    3,789.79x = 14,512,446.77
  5. Step 5: Solve for x
    x = 14,512,446.77/3,789.79
  6. Step 6: Final answer
    x = 3,829.36

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1.5x scale

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.