Home / 2,146.64-3,218.74-1,158.84

Finding the Fourth Proportional to 2,146.64, 3,218.74 and 1,158.84

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Solution

The fourth proportional to 2,146.64, 3,218.74 and 1,158.84 is: 1,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.64 : 3,218.74 = 1,158.84 : x
  2. Step 2: Convert to fraction form
    2,146.64/3,218.74 = 1,158.84/x
  3. Step 3: Cross multiply
    2,146.64x = 3,218.74 × 1,158.84
  4. Step 4: Simplify right side
    2,146.64x = 3,730,004.66
  5. Step 5: Solve for x
    x = 3,730,004.66/2,146.64
  6. Step 6: Final answer
    x = 1,737.60

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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.