Home / 3,125.83-4,315.44-3,001.90

Finding the Fourth Proportional to 3,125.83, 4,315.44 and 3,001.90

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Solution

The fourth proportional to 3,125.83, 4,315.44 and 3,001.90 is: 4,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.83 : 4,315.44 = 3,001.90 : x
  2. Step 2: Convert to fraction form
    3,125.83/4,315.44 = 3,001.90/x
  3. Step 3: Cross multiply
    3,125.83x = 4,315.44 × 3,001.90
  4. Step 4: Simplify right side
    3,125.83x = 12,954,519.34
  5. Step 5: Solve for x
    x = 12,954,519.34/3,125.83
  6. Step 6: Final answer
    x = 4,144.35

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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.