Home / 3,647.50-5,031.75-2,302.51

Finding the Fourth Proportional to 3,647.50, 5,031.75 and 2,302.51

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Solution

The fourth proportional to 3,647.50, 5,031.75 and 2,302.51 is: 3,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.50 : 5,031.75 = 2,302.51 : x
  2. Step 2: Convert to fraction form
    3,647.50/5,031.75 = 2,302.51/x
  3. Step 3: Cross multiply
    3,647.50x = 5,031.75 × 2,302.51
  4. Step 4: Simplify right side
    3,647.50x = 11,585,654.69
  5. Step 5: Solve for x
    x = 11,585,654.69/3,647.50
  6. Step 6: Final answer
    x = 3,176.33

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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.