Home / 3,504.82-5,253.56-1,312.60

Finding the Fourth Proportional to 3,504.82, 5,253.56 and 1,312.60

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Solution

The fourth proportional to 3,504.82, 5,253.56 and 1,312.60 is: 1,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.82 : 5,253.56 = 1,312.60 : x
  2. Step 2: Convert to fraction form
    3,504.82/5,253.56 = 1,312.60/x
  3. Step 3: Cross multiply
    3,504.82x = 5,253.56 × 1,312.60
  4. Step 4: Simplify right side
    3,504.82x = 6,895,822.86
  5. Step 5: Solve for x
    x = 6,895,822.86/3,504.82
  6. Step 6: Final answer
    x = 1,967.53

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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.