Home / 2,079.26-2,869.35-1,135.07

Finding the Fourth Proportional to 2,079.26, 2,869.35 and 1,135.07

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Solution

The fourth proportional to 2,079.26, 2,869.35 and 1,135.07 is: 1,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.26 : 2,869.35 = 1,135.07 : x
  2. Step 2: Convert to fraction form
    2,079.26/2,869.35 = 1,135.07/x
  3. Step 3: Cross multiply
    2,079.26x = 2,869.35 × 1,135.07
  4. Step 4: Simplify right side
    2,079.26x = 3,256,898.76
  5. Step 5: Solve for x
    x = 3,256,898.76/2,079.26
  6. Step 6: Final answer
    x = 1,566.38

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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.