Home / 2,079.37-2,869.48-1,135.19

Finding the Fourth Proportional to 2,079.37, 2,869.48 and 1,135.19

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Solution

The fourth proportional to 2,079.37, 2,869.48 and 1,135.19 is: 1,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.37 : 2,869.48 = 1,135.19 : x
  2. Step 2: Convert to fraction form
    2,079.37/2,869.48 = 1,135.19/x
  3. Step 3: Cross multiply
    2,079.37x = 2,869.48 × 1,135.19
  4. Step 4: Simplify right side
    2,079.37x = 3,257,394.22
  5. Step 5: Solve for x
    x = 3,257,394.22/2,079.37
  6. Step 6: Final answer
    x = 1,566.53

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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.