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Finding the Fourth Proportional to 3,146.77, 4,721.18 and 1,503.10

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Solution

The fourth proportional to 3,146.77, 4,721.18 and 1,503.10 is: 2,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.77 : 4,721.18 = 1,503.10 : x
  2. Step 2: Convert to fraction form
    3,146.77/4,721.18 = 1,503.10/x
  3. Step 3: Cross multiply
    3,146.77x = 4,721.18 × 1,503.10
  4. Step 4: Simplify right side
    3,146.77x = 7,096,405.66
  5. Step 5: Solve for x
    x = 7,096,405.66/3,146.77
  6. Step 6: Final answer
    x = 2,255.14

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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.