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Finding the Fourth Proportional to 3,510.68, 4,844.64 and 1,938.74

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Solution

The fourth proportional to 3,510.68, 4,844.64 and 1,938.74 is: 2,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.68 : 4,844.64 = 1,938.74 : x
  2. Step 2: Convert to fraction form
    3,510.68/4,844.64 = 1,938.74/x
  3. Step 3: Cross multiply
    3,510.68x = 4,844.64 × 1,938.74
  4. Step 4: Simplify right side
    3,510.68x = 9,392,497.35
  5. Step 5: Solve for x
    x = 9,392,497.35/3,510.68
  6. Step 6: Final answer
    x = 2,675.41

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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.