Home / 2,079.66-2,869.94-1,135.46

Finding the Fourth Proportional to 2,079.66, 2,869.94 and 1,135.46

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Solution

The fourth proportional to 2,079.66, 2,869.94 and 1,135.46 is: 1,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.66 : 2,869.94 = 1,135.46 : x
  2. Step 2: Convert to fraction form
    2,079.66/2,869.94 = 1,135.46/x
  3. Step 3: Cross multiply
    2,079.66x = 2,869.94 × 1,135.46
  4. Step 4: Simplify right side
    2,079.66x = 3,258,682.05
  5. Step 5: Solve for x
    x = 3,258,682.05/2,079.66
  6. Step 6: Final answer
    x = 1,566.93

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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.