Home / 1,842.06-2,541.87-1,253.10

Finding the Fourth Proportional to 1,842.06, 2,541.87 and 1,253.10

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Solution

The fourth proportional to 1,842.06, 2,541.87 and 1,253.10 is: 1,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.06 : 2,541.87 = 1,253.10 : x
  2. Step 2: Convert to fraction form
    1,842.06/2,541.87 = 1,253.10/x
  3. Step 3: Cross multiply
    1,842.06x = 2,541.87 × 1,253.10
  4. Step 4: Simplify right side
    1,842.06x = 3,185,217.30
  5. Step 5: Solve for x
    x = 3,185,217.30/1,842.06
  6. Step 6: Final answer
    x = 1,729.16

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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.