Home / 2,708.68-3,737.91-1,529.74

Finding the Fourth Proportional to 2,708.68, 3,737.91 and 1,529.74

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Solution

The fourth proportional to 2,708.68, 3,737.91 and 1,529.74 is: 2,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.68 : 3,737.91 = 1,529.74 : x
  2. Step 2: Convert to fraction form
    2,708.68/3,737.91 = 1,529.74/x
  3. Step 3: Cross multiply
    2,708.68x = 3,737.91 × 1,529.74
  4. Step 4: Simplify right side
    2,708.68x = 5,718,030.44
  5. Step 5: Solve for x
    x = 5,718,030.44/2,708.68
  6. Step 6: Final answer
    x = 2,111.00

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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.