Home / 2,351.20-3,244.68-1,303.12

Finding the Fourth Proportional to 2,351.20, 3,244.68 and 1,303.12

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Solution

The fourth proportional to 2,351.20, 3,244.68 and 1,303.12 is: 1,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.20 : 3,244.68 = 1,303.12 : x
  2. Step 2: Convert to fraction form
    2,351.20/3,244.68 = 1,303.12/x
  3. Step 3: Cross multiply
    2,351.20x = 3,244.68 × 1,303.12
  4. Step 4: Simplify right side
    2,351.20x = 4,228,207.40
  5. Step 5: Solve for x
    x = 4,228,207.40/2,351.20
  6. Step 6: Final answer
    x = 1,798.32

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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.