Home / 3,539.57-5,307.53-1,317.49

Finding the Fourth Proportional to 3,539.57, 5,307.53 and 1,317.49

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Solution

The fourth proportional to 3,539.57, 5,307.53 and 1,317.49 is: 1,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.57 : 5,307.53 = 1,317.49 : x
  2. Step 2: Convert to fraction form
    3,539.57/5,307.53 = 1,317.49/x
  3. Step 3: Cross multiply
    3,539.57x = 5,307.53 × 1,317.49
  4. Step 4: Simplify right side
    3,539.57x = 6,992,617.70
  5. Step 5: Solve for x
    x = 6,992,617.70/3,539.57
  6. Step 6: Final answer
    x = 1,975.56

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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.