Home / 3,307.55-4,564.43-1,815.47

Finding the Fourth Proportional to 3,307.55, 4,564.43 and 1,815.47

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Solution

The fourth proportional to 3,307.55, 4,564.43 and 1,815.47 is: 2,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.55 : 4,564.43 = 1,815.47 : x
  2. Step 2: Convert to fraction form
    3,307.55/4,564.43 = 1,815.47/x
  3. Step 3: Cross multiply
    3,307.55x = 4,564.43 × 1,815.47
  4. Step 4: Simplify right side
    3,307.55x = 8,286,553.83
  5. Step 5: Solve for x
    x = 8,286,553.83/3,307.55
  6. Step 6: Final answer
    x = 2,505.35

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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.