Home / 2,472.23-3,412.55-1,528.75

Finding the Fourth Proportional to 2,472.23, 3,412.55 and 1,528.75

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Solution

The fourth proportional to 2,472.23, 3,412.55 and 1,528.75 is: 2,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.23 : 3,412.55 = 1,528.75 : x
  2. Step 2: Convert to fraction form
    2,472.23/3,412.55 = 1,528.75/x
  3. Step 3: Cross multiply
    2,472.23x = 3,412.55 × 1,528.75
  4. Step 4: Simplify right side
    2,472.23x = 5,216,919.64
  5. Step 5: Solve for x
    x = 5,216,919.64/2,472.23
  6. Step 6: Final answer
    x = 2,110.21

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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.