Home / 3,750.39-5,625.56-1,251.77

Finding the Fourth Proportional to 3,750.39, 5,625.56 and 1,251.77

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Solution

The fourth proportional to 3,750.39, 5,625.56 and 1,251.77 is: 1,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.39 : 5,625.56 = 1,251.77 : x
  2. Step 2: Convert to fraction form
    3,750.39/5,625.56 = 1,251.77/x
  3. Step 3: Cross multiply
    3,750.39x = 5,625.56 × 1,251.77
  4. Step 4: Simplify right side
    3,750.39x = 7,041,900.98
  5. Step 5: Solve for x
    x = 7,041,900.98/3,750.39
  6. Step 6: Final answer
    x = 1,877.64

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1.5x scale

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.