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Finding the Fourth Proportional to 1,848, 2,549.86 and 1,081.32

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Solution

The fourth proportional to 1,848, 2,549.86 and 1,081.32 is: 1,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848 : 2,549.86 = 1,081.32 : x
  2. Step 2: Convert to fraction form
    1,848/2,549.86 = 1,081.32/x
  3. Step 3: Cross multiply
    1,848x = 2,549.86 × 1,081.32
  4. Step 4: Simplify right side
    1,848x = 2,757,211.91
  5. Step 5: Solve for x
    x = 2,757,211.91/1,848
  6. Step 6: Final answer
    x = 1,492.00

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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.