Home / 3,098.17-4,275.46-1,681.91

Finding the Fourth Proportional to 3,098.17, 4,275.46 and 1,681.91

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Solution

The fourth proportional to 3,098.17, 4,275.46 and 1,681.91 is: 2,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.17 : 4,275.46 = 1,681.91 : x
  2. Step 2: Convert to fraction form
    3,098.17/4,275.46 = 1,681.91/x
  3. Step 3: Cross multiply
    3,098.17x = 4,275.46 × 1,681.91
  4. Step 4: Simplify right side
    3,098.17x = 7,190,938.93
  5. Step 5: Solve for x
    x = 7,190,938.93/3,098.17
  6. Step 6: Final answer
    x = 2,321.03

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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.