Home / 2,708.55-3,737.48-1,529.39

Finding the Fourth Proportional to 2,708.55, 3,737.48 and 1,529.39

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Solution

The fourth proportional to 2,708.55, 3,737.48 and 1,529.39 is: 2,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.55 : 3,737.48 = 1,529.39 : x
  2. Step 2: Convert to fraction form
    2,708.55/3,737.48 = 1,529.39/x
  3. Step 3: Cross multiply
    2,708.55x = 3,737.48 × 1,529.39
  4. Step 4: Simplify right side
    2,708.55x = 5,716,038.20
  5. Step 5: Solve for x
    x = 5,716,038.20/2,708.55
  6. Step 6: Final answer
    x = 2,110.37

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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.