Home / 2,449.59-3,381.53-1,455.19

Finding the Fourth Proportional to 2,449.59, 3,381.53 and 1,455.19

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Solution

The fourth proportional to 2,449.59, 3,381.53 and 1,455.19 is: 2,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.59 : 3,381.53 = 1,455.19 : x
  2. Step 2: Convert to fraction form
    2,449.59/3,381.53 = 1,455.19/x
  3. Step 3: Cross multiply
    2,449.59x = 3,381.53 × 1,455.19
  4. Step 4: Simplify right side
    2,449.59x = 4,920,744.46
  5. Step 5: Solve for x
    x = 4,920,744.46/2,449.59
  6. Step 6: Final answer
    x = 2,008.81

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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.