Home / 3,947.85-5,921.63-1,026.18

Finding the Fourth Proportional to 3,947.85, 5,921.63 and 1,026.18

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Solution

The fourth proportional to 3,947.85, 5,921.63 and 1,026.18 is: 1,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.85 : 5,921.63 = 1,026.18 : x
  2. Step 2: Convert to fraction form
    3,947.85/5,921.63 = 1,026.18/x
  3. Step 3: Cross multiply
    3,947.85x = 5,921.63 × 1,026.18
  4. Step 4: Simplify right side
    3,947.85x = 6,076,658.27
  5. Step 5: Solve for x
    x = 6,076,658.27/3,947.85
  6. Step 6: Final answer
    x = 1,539.23

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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.