Home / 3,308.12-4,565.29-1,816.15

Finding the Fourth Proportional to 3,308.12, 4,565.29 and 1,816.15

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Solution

The fourth proportional to 3,308.12, 4,565.29 and 1,816.15 is: 2,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.12 : 4,565.29 = 1,816.15 : x
  2. Step 2: Convert to fraction form
    3,308.12/4,565.29 = 1,816.15/x
  3. Step 3: Cross multiply
    3,308.12x = 4,565.29 × 1,816.15
  4. Step 4: Simplify right side
    3,308.12x = 8,291,229.50
  5. Step 5: Solve for x
    x = 8,291,229.50/3,308.12
  6. Step 6: Final answer
    x = 2,506.32

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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.