Home / 2,472.57-3,410.61-1,528.65

Finding the Fourth Proportional to 2,472.57, 3,410.61 and 1,528.65

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Solution

The fourth proportional to 2,472.57, 3,410.61 and 1,528.65 is: 2,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.57 : 3,410.61 = 1,528.65 : x
  2. Step 2: Convert to fraction form
    2,472.57/3,410.61 = 1,528.65/x
  3. Step 3: Cross multiply
    2,472.57x = 3,410.61 × 1,528.65
  4. Step 4: Simplify right side
    2,472.57x = 5,213,643.24
  5. Step 5: Solve for x
    x = 5,213,643.24/2,472.57
  6. Step 6: Final answer
    x = 2,108.59

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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.