Home / 3,419.72-4,718.95-2,238.74

Finding the Fourth Proportional to 3,419.72, 4,718.95 and 2,238.74

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Solution

The fourth proportional to 3,419.72, 4,718.95 and 2,238.74 is: 3,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.72 : 4,718.95 = 2,238.74 : x
  2. Step 2: Convert to fraction form
    3,419.72/4,718.95 = 2,238.74/x
  3. Step 3: Cross multiply
    3,419.72x = 4,718.95 × 2,238.74
  4. Step 4: Simplify right side
    3,419.72x = 10,564,472.93
  5. Step 5: Solve for x
    x = 10,564,472.93/3,419.72
  6. Step 6: Final answer
    x = 3,089.28

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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.