Home / 3,501.63-5,250.78-1,308.96

Finding the Fourth Proportional to 3,501.63, 5,250.78 and 1,308.96

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Solution

The fourth proportional to 3,501.63, 5,250.78 and 1,308.96 is: 1,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.63 : 5,250.78 = 1,308.96 : x
  2. Step 2: Convert to fraction form
    3,501.63/5,250.78 = 1,308.96/x
  3. Step 3: Cross multiply
    3,501.63x = 5,250.78 × 1,308.96
  4. Step 4: Simplify right side
    3,501.63x = 6,873,060.99
  5. Step 5: Solve for x
    x = 6,873,060.99/3,501.63
  6. Step 6: Final answer
    x = 1,962.82

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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.