Home / 2,449.87-3,381.38-1,506.49

Finding the Fourth Proportional to 2,449.87, 3,381.38 and 1,506.49

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Solution

The fourth proportional to 2,449.87, 3,381.38 and 1,506.49 is: 2,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.87 : 3,381.38 = 1,506.49 : x
  2. Step 2: Convert to fraction form
    2,449.87/3,381.38 = 1,506.49/x
  3. Step 3: Cross multiply
    2,449.87x = 3,381.38 × 1,506.49
  4. Step 4: Simplify right side
    2,449.87x = 5,094,000.06
  5. Step 5: Solve for x
    x = 5,094,000.06/2,449.87
  6. Step 6: Final answer
    x = 2,079.29

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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.