Home / 2,136.11-2,948.02-1,240.18

Finding the Fourth Proportional to 2,136.11, 2,948.02 and 1,240.18

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Solution

The fourth proportional to 2,136.11, 2,948.02 and 1,240.18 is: 1,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.11 : 2,948.02 = 1,240.18 : x
  2. Step 2: Convert to fraction form
    2,136.11/2,948.02 = 1,240.18/x
  3. Step 3: Cross multiply
    2,136.11x = 2,948.02 × 1,240.18
  4. Step 4: Simplify right side
    2,136.11x = 3,656,064.97
  5. Step 5: Solve for x
    x = 3,656,064.97/2,136.11
  6. Step 6: Final answer
    x = 1,711.56

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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.