Home / 3,150.70-4,347.96-1,753.45

Finding the Fourth Proportional to 3,150.70, 4,347.96 and 1,753.45

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Solution

The fourth proportional to 3,150.70, 4,347.96 and 1,753.45 is: 2,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.70 : 4,347.96 = 1,753.45 : x
  2. Step 2: Convert to fraction form
    3,150.70/4,347.96 = 1,753.45/x
  3. Step 3: Cross multiply
    3,150.70x = 4,347.96 × 1,753.45
  4. Step 4: Simplify right side
    3,150.70x = 7,623,930.46
  5. Step 5: Solve for x
    x = 7,623,930.46/3,150.70
  6. Step 6: Final answer
    x = 2,419.76

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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.