Home / 4,156.74-5,731.63-3,398.18

Finding the Fourth Proportional to 4,156.74, 5,731.63 and 3,398.18

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Solution

The fourth proportional to 4,156.74, 5,731.63 and 3,398.18 is: 4,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.74 : 5,731.63 = 3,398.18 : x
  2. Step 2: Convert to fraction form
    4,156.74/5,731.63 = 3,398.18/x
  3. Step 3: Cross multiply
    4,156.74x = 5,731.63 × 3,398.18
  4. Step 4: Simplify right side
    4,156.74x = 19,477,073.28
  5. Step 5: Solve for x
    x = 19,477,073.28/4,156.74
  6. Step 6: Final answer
    x = 4,685.66

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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.