Home / 2,686.02-4,029.60-1,043.34

Finding the Fourth Proportional to 2,686.02, 4,029.60 and 1,043.34

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Solution

The fourth proportional to 2,686.02, 4,029.60 and 1,043.34 is: 1,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.02 : 4,029.60 = 1,043.34 : x
  2. Step 2: Convert to fraction form
    2,686.02/4,029.60 = 1,043.34/x
  3. Step 3: Cross multiply
    2,686.02x = 4,029.60 × 1,043.34
  4. Step 4: Simplify right side
    2,686.02x = 4,204,242.86
  5. Step 5: Solve for x
    x = 4,204,242.86/2,686.02
  6. Step 6: Final answer
    x = 1,565.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.