Home / 3,655.13-5,042.25-2,328.75

Finding the Fourth Proportional to 3,655.13, 5,042.25 and 2,328.75

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Solution

The fourth proportional to 3,655.13, 5,042.25 and 2,328.75 is: 3,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.13 : 5,042.25 = 2,328.75 : x
  2. Step 2: Convert to fraction form
    3,655.13/5,042.25 = 2,328.75/x
  3. Step 3: Cross multiply
    3,655.13x = 5,042.25 × 2,328.75
  4. Step 4: Simplify right side
    3,655.13x = 11,742,139.69
  5. Step 5: Solve for x
    x = 11,742,139.69/3,655.13
  6. Step 6: Final answer
    x = 3,212.51

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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.