Home / 3,330.72-4,598.28-2,961.60

Finding the Fourth Proportional to 3,330.72, 4,598.28 and 2,961.60

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Solution

The fourth proportional to 3,330.72, 4,598.28 and 2,961.60 is: 4,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.72 : 4,598.28 = 2,961.60 : x
  2. Step 2: Convert to fraction form
    3,330.72/4,598.28 = 2,961.60/x
  3. Step 3: Cross multiply
    3,330.72x = 4,598.28 × 2,961.60
  4. Step 4: Simplify right side
    3,330.72x = 13,618,266.05
  5. Step 5: Solve for x
    x = 13,618,266.05/3,330.72
  6. Step 6: Final answer
    x = 4,088.69

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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.