Home / 3,309.83-4,565.80-2,681.07

Finding the Fourth Proportional to 3,309.83, 4,565.80 and 2,681.07

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Solution

The fourth proportional to 3,309.83, 4,565.80 and 2,681.07 is: 3,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.83 : 4,565.80 = 2,681.07 : x
  2. Step 2: Convert to fraction form
    3,309.83/4,565.80 = 2,681.07/x
  3. Step 3: Cross multiply
    3,309.83x = 4,565.80 × 2,681.07
  4. Step 4: Simplify right side
    3,309.83x = 12,241,215.64
  5. Step 5: Solve for x
    x = 12,241,215.64/3,309.83
  6. Step 6: Final answer
    x = 3,698.44

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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.