Home / 2,477.46-3,418.21-1,532.79

Finding the Fourth Proportional to 2,477.46, 3,418.21 and 1,532.79

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Solution

The fourth proportional to 2,477.46, 3,418.21 and 1,532.79 is: 2,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.46 : 3,418.21 = 1,532.79 : x
  2. Step 2: Convert to fraction form
    2,477.46/3,418.21 = 1,532.79/x
  3. Step 3: Cross multiply
    2,477.46x = 3,418.21 × 1,532.79
  4. Step 4: Simplify right side
    2,477.46x = 5,239,398.11
  5. Step 5: Solve for x
    x = 5,239,398.11/2,477.46
  6. Step 6: Final answer
    x = 2,114.83

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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.