Home / 2,708.24-3,737.64-1,645.77

Finding the Fourth Proportional to 2,708.24, 3,737.64 and 1,645.77

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Solution

The fourth proportional to 2,708.24, 3,737.64 and 1,645.77 is: 2,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.24 : 3,737.64 = 1,645.77 : x
  2. Step 2: Convert to fraction form
    2,708.24/3,737.64 = 1,645.77/x
  3. Step 3: Cross multiply
    2,708.24x = 3,737.64 × 1,645.77
  4. Step 4: Simplify right side
    2,708.24x = 6,151,306.71
  5. Step 5: Solve for x
    x = 6,151,306.71/2,708.24
  6. Step 6: Final answer
    x = 2,271.33

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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.