Home / 3,307.64-4,562.28-2,261.12

Finding the Fourth Proportional to 3,307.64, 4,562.28 and 2,261.12

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Solution

The fourth proportional to 3,307.64, 4,562.28 and 2,261.12 is: 3,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.64 : 4,562.28 = 2,261.12 : x
  2. Step 2: Convert to fraction form
    3,307.64/4,562.28 = 2,261.12/x
  3. Step 3: Cross multiply
    3,307.64x = 4,562.28 × 2,261.12
  4. Step 4: Simplify right side
    3,307.64x = 10,315,862.55
  5. Step 5: Solve for x
    x = 10,315,862.55/3,307.64
  6. Step 6: Final answer
    x = 3,118.80

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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.