Home / 2,079.92-2,868.54-1,613.36

Finding the Fourth Proportional to 2,079.92, 2,868.54 and 1,613.36

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Solution

The fourth proportional to 2,079.92, 2,868.54 and 1,613.36 is: 2,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.92 : 2,868.54 = 1,613.36 : x
  2. Step 2: Convert to fraction form
    2,079.92/2,868.54 = 1,613.36/x
  3. Step 3: Cross multiply
    2,079.92x = 2,868.54 × 1,613.36
  4. Step 4: Simplify right side
    2,079.92x = 4,627,987.69
  5. Step 5: Solve for x
    x = 4,627,987.69/2,079.92
  6. Step 6: Final answer
    x = 2,225.08

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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.