Home / 2,378.42-3,553.86-1,717.15

Finding the Fourth Proportional to 2,378.42, 3,553.86 and 1,717.15

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Solution

The fourth proportional to 2,378.42, 3,553.86 and 1,717.15 is: 2,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.42 : 3,553.86 = 1,717.15 : x
  2. Step 2: Convert to fraction form
    2,378.42/3,553.86 = 1,717.15/x
  3. Step 3: Cross multiply
    2,378.42x = 3,553.86 × 1,717.15
  4. Step 4: Simplify right side
    2,378.42x = 6,102,502.11
  5. Step 5: Solve for x
    x = 6,102,502.11/2,378.42
  6. Step 6: Final answer
    x = 2,565.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.