Home / 3,153.75-4,352.18-1,756.59

Finding the Fourth Proportional to 3,153.75, 4,352.18 and 1,756.59

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Solution

The fourth proportional to 3,153.75, 4,352.18 and 1,756.59 is: 2,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.75 : 4,352.18 = 1,756.59 : x
  2. Step 2: Convert to fraction form
    3,153.75/4,352.18 = 1,756.59/x
  3. Step 3: Cross multiply
    3,153.75x = 4,352.18 × 1,756.59
  4. Step 4: Simplify right side
    3,153.75x = 7,644,987.08
  5. Step 5: Solve for x
    x = 7,644,987.08/3,153.75
  6. Step 6: Final answer
    x = 2,424.09

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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.