Home / 2,350.28-3,243.20-1,355.20

Finding the Fourth Proportional to 2,350.28, 3,243.20 and 1,355.20

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Solution

The fourth proportional to 2,350.28, 3,243.20 and 1,355.20 is: 1,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.28 : 3,243.20 = 1,355.20 : x
  2. Step 2: Convert to fraction form
    2,350.28/3,243.20 = 1,355.20/x
  3. Step 3: Cross multiply
    2,350.28x = 3,243.20 × 1,355.20
  4. Step 4: Simplify right side
    2,350.28x = 4,395,169.76
  5. Step 5: Solve for x
    x = 4,395,169.76/2,350.28
  6. Step 6: Final answer
    x = 1,870.06

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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.