Home / 2,708.49-3,737.71-1,529.63

Finding the Fourth Proportional to 2,708.49, 3,737.71 and 1,529.63

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Solution

The fourth proportional to 2,708.49, 3,737.71 and 1,529.63 is: 2,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.49 : 3,737.71 = 1,529.63 : x
  2. Step 2: Convert to fraction form
    2,708.49/3,737.71 = 1,529.63/x
  3. Step 3: Cross multiply
    2,708.49x = 3,737.71 × 1,529.63
  4. Step 4: Simplify right side
    2,708.49x = 5,717,324.60
  5. Step 5: Solve for x
    x = 5,717,324.60/2,708.49
  6. Step 6: Final answer
    x = 2,110.89

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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.