Home / 1,549.13-2,140.70-1,473.39

Finding the Fourth Proportional to 1,549.13, 2,140.70 and 1,473.39

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Solution

The fourth proportional to 1,549.13, 2,140.70 and 1,473.39 is: 2,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.13 : 2,140.70 = 1,473.39 : x
  2. Step 2: Convert to fraction form
    1,549.13/2,140.70 = 1,473.39/x
  3. Step 3: Cross multiply
    1,549.13x = 2,140.70 × 1,473.39
  4. Step 4: Simplify right side
    1,549.13x = 3,154,078.61
  5. Step 5: Solve for x
    x = 3,154,078.61/1,549.13
  6. Step 6: Final answer
    x = 2,036.04

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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.