Home / 4,154.74-6,231.45-1,381.18

Finding the Fourth Proportional to 4,154.74, 6,231.45 and 1,381.18

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Solution

The fourth proportional to 4,154.74, 6,231.45 and 1,381.18 is: 2,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.74 : 6,231.45 = 1,381.18 : x
  2. Step 2: Convert to fraction form
    4,154.74/6,231.45 = 1,381.18/x
  3. Step 3: Cross multiply
    4,154.74x = 6,231.45 × 1,381.18
  4. Step 4: Simplify right side
    4,154.74x = 8,606,754.11
  5. Step 5: Solve for x
    x = 8,606,754.11/4,154.74
  6. Step 6: Final answer
    x = 2,071.55

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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.