Home / 1,549.81-2,310.82-1,522.13

Finding the Fourth Proportional to 1,549.81, 2,310.82 and 1,522.13

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Solution

The fourth proportional to 1,549.81, 2,310.82 and 1,522.13 is: 2,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.81 : 2,310.82 = 1,522.13 : x
  2. Step 2: Convert to fraction form
    1,549.81/2,310.82 = 1,522.13/x
  3. Step 3: Cross multiply
    1,549.81x = 2,310.82 × 1,522.13
  4. Step 4: Simplify right side
    1,549.81x = 3,517,360.70
  5. Step 5: Solve for x
    x = 3,517,360.70/1,549.81
  6. Step 6: Final answer
    x = 2,269.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.