Home / 3,381.12-4,663.89-2,055.74

Finding the Fourth Proportional to 3,381.12, 4,663.89 and 2,055.74

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Solution

The fourth proportional to 3,381.12, 4,663.89 and 2,055.74 is: 2,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.12 : 4,663.89 = 2,055.74 : x
  2. Step 2: Convert to fraction form
    3,381.12/4,663.89 = 2,055.74/x
  3. Step 3: Cross multiply
    3,381.12x = 4,663.89 × 2,055.74
  4. Step 4: Simplify right side
    3,381.12x = 9,587,721.91
  5. Step 5: Solve for x
    x = 9,587,721.91/3,381.12
  6. Step 6: Final answer
    x = 2,835.66

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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.