Home / 3,820.95-5,731.02-1,047.87

Finding the Fourth Proportional to 3,820.95, 5,731.02 and 1,047.87

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Solution

The fourth proportional to 3,820.95, 5,731.02 and 1,047.87 is: 1,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.95 : 5,731.02 = 1,047.87 : x
  2. Step 2: Convert to fraction form
    3,820.95/5,731.02 = 1,047.87/x
  3. Step 3: Cross multiply
    3,820.95x = 5,731.02 × 1,047.87
  4. Step 4: Simplify right side
    3,820.95x = 6,005,363.93
  5. Step 5: Solve for x
    x = 6,005,363.93/3,820.95
  6. Step 6: Final answer
    x = 1,571.69

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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.