Home / 2,425.45-3,348.65-1,718.79

Finding the Fourth Proportional to 2,425.45, 3,348.65 and 1,718.79

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Solution

The fourth proportional to 2,425.45, 3,348.65 and 1,718.79 is: 2,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.45 : 3,348.65 = 1,718.79 : x
  2. Step 2: Convert to fraction form
    2,425.45/3,348.65 = 1,718.79/x
  3. Step 3: Cross multiply
    2,425.45x = 3,348.65 × 1,718.79
  4. Step 4: Simplify right side
    2,425.45x = 5,755,626.13
  5. Step 5: Solve for x
    x = 5,755,626.13/2,425.45
  6. Step 6: Final answer
    x = 2,373.01

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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.