Home / 3,750.57-5,175.93-2,178.59

Finding the Fourth Proportional to 3,750.57, 5,175.93 and 2,178.59

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Solution

The fourth proportional to 3,750.57, 5,175.93 and 2,178.59 is: 3,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.57 : 5,175.93 = 2,178.59 : x
  2. Step 2: Convert to fraction form
    3,750.57/5,175.93 = 2,178.59/x
  3. Step 3: Cross multiply
    3,750.57x = 5,175.93 × 2,178.59
  4. Step 4: Simplify right side
    3,750.57x = 11,276,192.57
  5. Step 5: Solve for x
    x = 11,276,192.57/3,750.57
  6. Step 6: Final answer
    x = 3,006.53

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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.