Home / 3,098.01-4,275.27-1,681.70

Finding the Fourth Proportional to 3,098.01, 4,275.27 and 1,681.70

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Solution

The fourth proportional to 3,098.01, 4,275.27 and 1,681.70 is: 2,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.01 : 4,275.27 = 1,681.70 : x
  2. Step 2: Convert to fraction form
    3,098.01/4,275.27 = 1,681.70/x
  3. Step 3: Cross multiply
    3,098.01x = 4,275.27 × 1,681.70
  4. Step 4: Simplify right side
    3,098.01x = 7,189,721.56
  5. Step 5: Solve for x
    x = 7,189,721.56/3,098.01
  6. Step 6: Final answer
    x = 2,320.75

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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.