Home / 2,303.20-3,456.16-842.24

Finding the Fourth Proportional to 2,303.20, 3,456.16 and 842.24

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Solution

The fourth proportional to 2,303.20, 3,456.16 and 842.24 is: 1,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.20 : 3,456.16 = 842.24 : x
  2. Step 2: Convert to fraction form
    2,303.20/3,456.16 = 842.24/x
  3. Step 3: Cross multiply
    2,303.20x = 3,456.16 × 842.24
  4. Step 4: Simplify right side
    2,303.20x = 2,910,916.20
  5. Step 5: Solve for x
    x = 2,910,916.20/2,303.20
  6. Step 6: Final answer
    x = 1,263.86

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1.5x scale

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.