Home / 3,407.16-5,112.30-1,558.76

Finding the Fourth Proportional to 3,407.16, 5,112.30 and 1,558.76

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Solution

The fourth proportional to 3,407.16, 5,112.30 and 1,558.76 is: 2,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.16 : 5,112.30 = 1,558.76 : x
  2. Step 2: Convert to fraction form
    3,407.16/5,112.30 = 1,558.76/x
  3. Step 3: Cross multiply
    3,407.16x = 5,112.30 × 1,558.76
  4. Step 4: Simplify right side
    3,407.16x = 7,968,848.75
  5. Step 5: Solve for x
    x = 7,968,848.75/3,407.16
  6. Step 6: Final answer
    x = 2,338.85

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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.