Home / 3,685.74-5,079.26-2,357.13

Finding the Fourth Proportional to 3,685.74, 5,079.26 and 2,357.13

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Solution

The fourth proportional to 3,685.74, 5,079.26 and 2,357.13 is: 3,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.74 : 5,079.26 = 2,357.13 : x
  2. Step 2: Convert to fraction form
    3,685.74/5,079.26 = 2,357.13/x
  3. Step 3: Cross multiply
    3,685.74x = 5,079.26 × 2,357.13
  4. Step 4: Simplify right side
    3,685.74x = 11,972,464.34
  5. Step 5: Solve for x
    x = 11,972,464.34/3,685.74
  6. Step 6: Final answer
    x = 3,248.32

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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.