Home / 3,071.18-4,238.34-1,744.82

Finding the Fourth Proportional to 3,071.18, 4,238.34 and 1,744.82

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Solution

The fourth proportional to 3,071.18, 4,238.34 and 1,744.82 is: 2,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.18 : 4,238.34 = 1,744.82 : x
  2. Step 2: Convert to fraction form
    3,071.18/4,238.34 = 1,744.82/x
  3. Step 3: Cross multiply
    3,071.18x = 4,238.34 × 1,744.82
  4. Step 4: Simplify right side
    3,071.18x = 7,395,140.40
  5. Step 5: Solve for x
    x = 7,395,140.40/3,071.18
  6. Step 6: Final answer
    x = 2,407.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.