Home / 3,308.12-4,565.30-1,816.13

Finding the Fourth Proportional to 3,308.12, 4,565.30 and 1,816.13

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Solution

The fourth proportional to 3,308.12, 4,565.30 and 1,816.13 is: 2,506.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.12 : 4,565.30 = 1,816.13 : x
  2. Step 2: Convert to fraction form
    3,308.12/4,565.30 = 1,816.13/x
  3. Step 3: Cross multiply
    3,308.12x = 4,565.30 × 1,816.13
  4. Step 4: Simplify right side
    3,308.12x = 8,291,146.38
  5. Step 5: Solve for x
    x = 8,291,146.38/3,308.12
  6. Step 6: Final answer
    x = 2,506.31

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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.