Home / 2,319.02-3,469.80-1,426.44

Finding the Fourth Proportional to 2,319.02, 3,469.80 and 1,426.44

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Solution

The fourth proportional to 2,319.02, 3,469.80 and 1,426.44 is: 2,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.02 : 3,469.80 = 1,426.44 : x
  2. Step 2: Convert to fraction form
    2,319.02/3,469.80 = 1,426.44/x
  3. Step 3: Cross multiply
    2,319.02x = 3,469.80 × 1,426.44
  4. Step 4: Simplify right side
    2,319.02x = 4,949,479.87
  5. Step 5: Solve for x
    x = 4,949,479.87/2,319.02
  6. Step 6: Final answer
    x = 2,134.30

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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.