Home / 3,118.08-4,303.70-2,001.70

Finding the Fourth Proportional to 3,118.08, 4,303.70 and 2,001.70

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Solution

The fourth proportional to 3,118.08, 4,303.70 and 2,001.70 is: 2,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.08 : 4,303.70 = 2,001.70 : x
  2. Step 2: Convert to fraction form
    3,118.08/4,303.70 = 2,001.70/x
  3. Step 3: Cross multiply
    3,118.08x = 4,303.70 × 2,001.70
  4. Step 4: Simplify right side
    3,118.08x = 8,614,716.29
  5. Step 5: Solve for x
    x = 8,614,716.29/3,118.08
  6. Step 6: Final answer
    x = 2,762.83

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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.