Home / 2,521.53-3,480.17-1,527.66

Finding the Fourth Proportional to 2,521.53, 3,480.17 and 1,527.66

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Solution

The fourth proportional to 2,521.53, 3,480.17 and 1,527.66 is: 2,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.53 : 3,480.17 = 1,527.66 : x
  2. Step 2: Convert to fraction form
    2,521.53/3,480.17 = 1,527.66/x
  3. Step 3: Cross multiply
    2,521.53x = 3,480.17 × 1,527.66
  4. Step 4: Simplify right side
    2,521.53x = 5,316,508.86
  5. Step 5: Solve for x
    x = 5,316,508.86/2,521.53
  6. Step 6: Final answer
    x = 2,108.45

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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.