Home / 3,700.17-5,108.67-2,859.39

Finding the Fourth Proportional to 3,700.17, 5,108.67 and 2,859.39

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Solution

The fourth proportional to 3,700.17, 5,108.67 and 2,859.39 is: 3,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.17 : 5,108.67 = 2,859.39 : x
  2. Step 2: Convert to fraction form
    3,700.17/5,108.67 = 2,859.39/x
  3. Step 3: Cross multiply
    3,700.17x = 5,108.67 × 2,859.39
  4. Step 4: Simplify right side
    3,700.17x = 14,607,679.91
  5. Step 5: Solve for x
    x = 14,607,679.91/3,700.17
  6. Step 6: Final answer
    x = 3,947.84

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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.