Home / 2,242.23-3,358.72-1,315.00

Finding the Fourth Proportional to 2,242.23, 3,358.72 and 1,315.00

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Solution

The fourth proportional to 2,242.23, 3,358.72 and 1,315.00 is: 1,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.23 : 3,358.72 = 1,315.00 : x
  2. Step 2: Convert to fraction form
    2,242.23/3,358.72 = 1,315.00/x
  3. Step 3: Cross multiply
    2,242.23x = 3,358.72 × 1,315.00
  4. Step 4: Simplify right side
    2,242.23x = 4,416,701.08
  5. Step 5: Solve for x
    x = 4,416,701.08/2,242.23
  6. Step 6: Final answer
    x = 1,969.78

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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.