Home / 1,549.06-2,138.49-1,083.46

Finding the Fourth Proportional to 1,549.06, 2,138.49 and 1,083.46

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Solution

The fourth proportional to 1,549.06, 2,138.49 and 1,083.46 is: 1,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.06 : 2,138.49 = 1,083.46 : x
  2. Step 2: Convert to fraction form
    1,549.06/2,138.49 = 1,083.46/x
  3. Step 3: Cross multiply
    1,549.06x = 2,138.49 × 1,083.46
  4. Step 4: Simplify right side
    1,549.06x = 2,316,968.38
  5. Step 5: Solve for x
    x = 2,316,968.38/1,549.06
  6. Step 6: Final answer
    x = 1,495.73

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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.