Home / 3,119.51-4,303.88-2,001.05

Finding the Fourth Proportional to 3,119.51, 4,303.88 and 2,001.05

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Solution

The fourth proportional to 3,119.51, 4,303.88 and 2,001.05 is: 2,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.51 : 4,303.88 = 2,001.05 : x
  2. Step 2: Convert to fraction form
    3,119.51/4,303.88 = 2,001.05/x
  3. Step 3: Cross multiply
    3,119.51x = 4,303.88 × 2,001.05
  4. Step 4: Simplify right side
    3,119.51x = 8,612,306.66
  5. Step 5: Solve for x
    x = 8,612,306.66/3,119.51
  6. Step 6: Final answer
    x = 2,760.79

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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.