Home / 3,645.15-5,031.53-2,370.75

Finding the Fourth Proportional to 3,645.15, 5,031.53 and 2,370.75

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Solution

The fourth proportional to 3,645.15, 5,031.53 and 2,370.75 is: 3,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.15 : 5,031.53 = 2,370.75 : x
  2. Step 2: Convert to fraction form
    3,645.15/5,031.53 = 2,370.75/x
  3. Step 3: Cross multiply
    3,645.15x = 5,031.53 × 2,370.75
  4. Step 4: Simplify right side
    3,645.15x = 11,928,462.74
  5. Step 5: Solve for x
    x = 11,928,462.74/3,645.15
  6. Step 6: Final answer
    x = 3,272.42

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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.