Home / 2,132.49-2,940.18-1,778.93

Finding the Fourth Proportional to 2,132.49, 2,940.18 and 1,778.93

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Solution

The fourth proportional to 2,132.49, 2,940.18 and 1,778.93 is: 2,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.49 : 2,940.18 = 1,778.93 : x
  2. Step 2: Convert to fraction form
    2,132.49/2,940.18 = 1,778.93/x
  3. Step 3: Cross multiply
    2,132.49x = 2,940.18 × 1,778.93
  4. Step 4: Simplify right side
    2,132.49x = 5,230,359.71
  5. Step 5: Solve for x
    x = 5,230,359.71/2,132.49
  6. Step 6: Final answer
    x = 2,452.70

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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.