Home / 2,079.02-2,869.54-1,195.34

Finding the Fourth Proportional to 2,079.02, 2,869.54 and 1,195.34

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Solution

The fourth proportional to 2,079.02, 2,869.54 and 1,195.34 is: 1,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.02 : 2,869.54 = 1,195.34 : x
  2. Step 2: Convert to fraction form
    2,079.02/2,869.54 = 1,195.34/x
  3. Step 3: Cross multiply
    2,079.02x = 2,869.54 × 1,195.34
  4. Step 4: Simplify right side
    2,079.02x = 3,430,058.61
  5. Step 5: Solve for x
    x = 3,430,058.61/2,079.02
  6. Step 6: Final answer
    x = 1,649.85

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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.