Home / 3,720.04-5,135.88-2,324.68

Finding the Fourth Proportional to 3,720.04, 5,135.88 and 2,324.68

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Solution

The fourth proportional to 3,720.04, 5,135.88 and 2,324.68 is: 3,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.04 : 5,135.88 = 2,324.68 : x
  2. Step 2: Convert to fraction form
    3,720.04/5,135.88 = 2,324.68/x
  3. Step 3: Cross multiply
    3,720.04x = 5,135.88 × 2,324.68
  4. Step 4: Simplify right side
    3,720.04x = 11,939,277.52
  5. Step 5: Solve for x
    x = 11,939,277.52/3,720.04
  6. Step 6: Final answer
    x = 3,209.45

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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.