Home / 3,748.17-5,172.47-2,256.17

Finding the Fourth Proportional to 3,748.17, 5,172.47 and 2,256.17

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Solution

The fourth proportional to 3,748.17, 5,172.47 and 2,256.17 is: 3,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.17 : 5,172.47 = 2,256.17 : x
  2. Step 2: Convert to fraction form
    3,748.17/5,172.47 = 2,256.17/x
  3. Step 3: Cross multiply
    3,748.17x = 5,172.47 × 2,256.17
  4. Step 4: Simplify right side
    3,748.17x = 11,669,984.74
  5. Step 5: Solve for x
    x = 11,669,984.74/3,748.17
  6. Step 6: Final answer
    x = 3,113.51

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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.