Home / 1,524.42-2,268.90-1,490.40

Finding the Fourth Proportional to 1,524.42, 2,268.90 and 1,490.40

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Solution

The fourth proportional to 1,524.42, 2,268.90 and 1,490.40 is: 2,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.42 : 2,268.90 = 1,490.40 : x
  2. Step 2: Convert to fraction form
    1,524.42/2,268.90 = 1,490.40/x
  3. Step 3: Cross multiply
    1,524.42x = 2,268.90 × 1,490.40
  4. Step 4: Simplify right side
    1,524.42x = 3,381,568.56
  5. Step 5: Solve for x
    x = 3,381,568.56/1,524.42
  6. Step 6: Final answer
    x = 2,218.27

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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.