Home / 4,139.60-5,710.20-2,566.56

Finding the Fourth Proportional to 4,139.60, 5,710.20 and 2,566.56

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Solution

The fourth proportional to 4,139.60, 5,710.20 and 2,566.56 is: 3,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.60 : 5,710.20 = 2,566.56 : x
  2. Step 2: Convert to fraction form
    4,139.60/5,710.20 = 2,566.56/x
  3. Step 3: Cross multiply
    4,139.60x = 5,710.20 × 2,566.56
  4. Step 4: Simplify right side
    4,139.60x = 14,655,570.91
  5. Step 5: Solve for x
    x = 14,655,570.91/4,139.60
  6. Step 6: Final answer
    x = 3,540.34

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1.5x scale

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.