Home / 2,549.99-3,517.92-1,554.90

Finding the Fourth Proportional to 2,549.99, 3,517.92 and 1,554.90

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Solution

The fourth proportional to 2,549.99, 3,517.92 and 1,554.90 is: 2,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.99 : 3,517.92 = 1,554.90 : x
  2. Step 2: Convert to fraction form
    2,549.99/3,517.92 = 1,554.90/x
  3. Step 3: Cross multiply
    2,549.99x = 3,517.92 × 1,554.90
  4. Step 4: Simplify right side
    2,549.99x = 5,470,013.81
  5. Step 5: Solve for x
    x = 5,470,013.81/2,549.99
  6. Step 6: Final answer
    x = 2,145.12

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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.