Home / 3,642.81-5,464.75-1,334.13

Finding the Fourth Proportional to 3,642.81, 5,464.75 and 1,334.13

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Solution

The fourth proportional to 3,642.81, 5,464.75 and 1,334.13 is: 2,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.81 : 5,464.75 = 1,334.13 : x
  2. Step 2: Convert to fraction form
    3,642.81/5,464.75 = 1,334.13/x
  3. Step 3: Cross multiply
    3,642.81x = 5,464.75 × 1,334.13
  4. Step 4: Simplify right side
    3,642.81x = 7,290,686.92
  5. Step 5: Solve for x
    x = 7,290,686.92/3,642.81
  6. Step 6: Final answer
    x = 2,001.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.