Home / 3,253.06-4,880.40-1,307.44

Finding the Fourth Proportional to 3,253.06, 4,880.40 and 1,307.44

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Solution

The fourth proportional to 3,253.06, 4,880.40 and 1,307.44 is: 1,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.06 : 4,880.40 = 1,307.44 : x
  2. Step 2: Convert to fraction form
    3,253.06/4,880.40 = 1,307.44/x
  3. Step 3: Cross multiply
    3,253.06x = 4,880.40 × 1,307.44
  4. Step 4: Simplify right side
    3,253.06x = 6,380,830.18
  5. Step 5: Solve for x
    x = 6,380,830.18/3,253.06
  6. Step 6: Final answer
    x = 1,961.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.