Home / 2,319.08-3,479.46-1,223.48

Finding the Fourth Proportional to 2,319.08, 3,479.46 and 1,223.48

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Solution

The fourth proportional to 2,319.08, 3,479.46 and 1,223.48 is: 1,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.08 : 3,479.46 = 1,223.48 : x
  2. Step 2: Convert to fraction form
    2,319.08/3,479.46 = 1,223.48/x
  3. Step 3: Cross multiply
    2,319.08x = 3,479.46 × 1,223.48
  4. Step 4: Simplify right side
    2,319.08x = 4,257,049.72
  5. Step 5: Solve for x
    x = 4,257,049.72/2,319.08
  6. Step 6: Final answer
    x = 1,835.66

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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.