Home / 3,947.84-5,921.76-1,026.07

Finding the Fourth Proportional to 3,947.84, 5,921.76 and 1,026.07

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Solution

The fourth proportional to 3,947.84, 5,921.76 and 1,026.07 is: 1,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.84 : 5,921.76 = 1,026.07 : x
  2. Step 2: Convert to fraction form
    3,947.84/5,921.76 = 1,026.07/x
  3. Step 3: Cross multiply
    3,947.84x = 5,921.76 × 1,026.07
  4. Step 4: Simplify right side
    3,947.84x = 6,076,123.55
  5. Step 5: Solve for x
    x = 6,076,123.55/3,947.84
  6. Step 6: Final answer
    x = 1,539.10

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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.