Home / 3,645.12-5,030.96-2,320.32

Finding the Fourth Proportional to 3,645.12, 5,030.96 and 2,320.32

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Solution

The fourth proportional to 3,645.12, 5,030.96 and 2,320.32 is: 3,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.12 : 5,030.96 = 2,320.32 : x
  2. Step 2: Convert to fraction form
    3,645.12/5,030.96 = 2,320.32/x
  3. Step 3: Cross multiply
    3,645.12x = 5,030.96 × 2,320.32
  4. Step 4: Simplify right side
    3,645.12x = 11,673,437.11
  5. Step 5: Solve for x
    x = 11,673,437.11/3,645.12
  6. Step 6: Final answer
    x = 3,202.48

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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.