Home / 2,726.68-4,086.78-1,570

Finding the Fourth Proportional to 2,726.68, 4,086.78 and 1,570

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Solution

The fourth proportional to 2,726.68, 4,086.78 and 1,570 is: 2,353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.68 : 4,086.78 = 1,570 : x
  2. Step 2: Convert to fraction form
    2,726.68/4,086.78 = 1,570/x
  3. Step 3: Cross multiply
    2,726.68x = 4,086.78 × 1,570
  4. Step 4: Simplify right side
    2,726.68x = 6,416,244.60
  5. Step 5: Solve for x
    x = 6,416,244.60/2,726.68
  6. Step 6: Final answer
    x = 2,353.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.