Home / 3,140.41-4,708.69-1,192.13

Finding the Fourth Proportional to 3,140.41, 4,708.69 and 1,192.13

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Solution

The fourth proportional to 3,140.41, 4,708.69 and 1,192.13 is: 1,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.41 : 4,708.69 = 1,192.13 : x
  2. Step 2: Convert to fraction form
    3,140.41/4,708.69 = 1,192.13/x
  3. Step 3: Cross multiply
    3,140.41x = 4,708.69 × 1,192.13
  4. Step 4: Simplify right side
    3,140.41x = 5,613,370.61
  5. Step 5: Solve for x
    x = 5,613,370.61/3,140.41
  6. Step 6: Final answer
    x = 1,787.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.