Home / 3,681.57-5,522.87-1,341.28

Finding the Fourth Proportional to 3,681.57, 5,522.87 and 1,341.28

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Solution

The fourth proportional to 3,681.57, 5,522.87 and 1,341.28 is: 2,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.57 : 5,522.87 = 1,341.28 : x
  2. Step 2: Convert to fraction form
    3,681.57/5,522.87 = 1,341.28/x
  3. Step 3: Cross multiply
    3,681.57x = 5,522.87 × 1,341.28
  4. Step 4: Simplify right side
    3,681.57x = 7,407,715.07
  5. Step 5: Solve for x
    x = 7,407,715.07/3,681.57
  6. Step 6: Final answer
    x = 2,012.11

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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.