Home / 3,307.24-4,564.16-1,815.15

Finding the Fourth Proportional to 3,307.24, 4,564.16 and 1,815.15

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Solution

The fourth proportional to 3,307.24, 4,564.16 and 1,815.15 is: 2,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.24 : 4,564.16 = 1,815.15 : x
  2. Step 2: Convert to fraction form
    3,307.24/4,564.16 = 1,815.15/x
  3. Step 3: Cross multiply
    3,307.24x = 4,564.16 × 1,815.15
  4. Step 4: Simplify right side
    3,307.24x = 8,284,635.02
  5. Step 5: Solve for x
    x = 8,284,635.02/3,307.24
  6. Step 6: Final answer
    x = 2,505.00

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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.