Home / 3,011.45-4,517.02-1,255.77

Finding the Fourth Proportional to 3,011.45, 4,517.02 and 1,255.77

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Solution

The fourth proportional to 3,011.45, 4,517.02 and 1,255.77 is: 1,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.45 : 4,517.02 = 1,255.77 : x
  2. Step 2: Convert to fraction form
    3,011.45/4,517.02 = 1,255.77/x
  3. Step 3: Cross multiply
    3,011.45x = 4,517.02 × 1,255.77
  4. Step 4: Simplify right side
    3,011.45x = 5,672,356.71
  5. Step 5: Solve for x
    x = 5,672,356.71/3,011.45
  6. Step 6: Final answer
    x = 1,883.60

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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.