Home / 3,642.57-5,464.80-1,302.48

Finding the Fourth Proportional to 3,642.57, 5,464.80 and 1,302.48

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Solution

The fourth proportional to 3,642.57, 5,464.80 and 1,302.48 is: 1,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.57 : 5,464.80 = 1,302.48 : x
  2. Step 2: Convert to fraction form
    3,642.57/5,464.80 = 1,302.48/x
  3. Step 3: Cross multiply
    3,642.57x = 5,464.80 × 1,302.48
  4. Step 4: Simplify right side
    3,642.57x = 7,117,792.70
  5. Step 5: Solve for x
    x = 7,117,792.70/3,642.57
  6. Step 6: Final answer
    x = 1,954.06

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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.