Home / 1,549.37-2,310.99-1,503.20

Finding the Fourth Proportional to 1,549.37, 2,310.99 and 1,503.20

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Solution

The fourth proportional to 1,549.37, 2,310.99 and 1,503.20 is: 2,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.37 : 2,310.99 = 1,503.20 : x
  2. Step 2: Convert to fraction form
    1,549.37/2,310.99 = 1,503.20/x
  3. Step 3: Cross multiply
    1,549.37x = 2,310.99 × 1,503.20
  4. Step 4: Simplify right side
    1,549.37x = 3,473,868.61
  5. Step 5: Solve for x
    x = 3,473,868.61/1,549.37
  6. Step 6: Final answer
    x = 2,242.12

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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.