Home / 2,521.68-3,479.98-1,526.78

Finding the Fourth Proportional to 2,521.68, 3,479.98 and 1,526.78

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Solution

The fourth proportional to 2,521.68, 3,479.98 and 1,526.78 is: 2,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.68 : 3,479.98 = 1,526.78 : x
  2. Step 2: Convert to fraction form
    2,521.68/3,479.98 = 1,526.78/x
  3. Step 3: Cross multiply
    2,521.68x = 3,479.98 × 1,526.78
  4. Step 4: Simplify right side
    2,521.68x = 5,313,163.86
  5. Step 5: Solve for x
    x = 5,313,163.86/2,521.68
  6. Step 6: Final answer
    x = 2,106.99

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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.