Home / 2,230.47-3,079.46-1,434.16

Finding the Fourth Proportional to 2,230.47, 3,079.46 and 1,434.16

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Solution

The fourth proportional to 2,230.47, 3,079.46 and 1,434.16 is: 1,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.47 : 3,079.46 = 1,434.16 : x
  2. Step 2: Convert to fraction form
    2,230.47/3,079.46 = 1,434.16/x
  3. Step 3: Cross multiply
    2,230.47x = 3,079.46 × 1,434.16
  4. Step 4: Simplify right side
    2,230.47x = 4,416,438.35
  5. Step 5: Solve for x
    x = 4,416,438.35/2,230.47
  6. Step 6: Final answer
    x = 1,980.05

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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.