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Finding the Fourth Proportional to 3,373.70, 4,655.80 and 1,881.68

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Solution

The fourth proportional to 3,373.70, 4,655.80 and 1,881.68 is: 2,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.70 : 4,655.80 = 1,881.68 : x
  2. Step 2: Convert to fraction form
    3,373.70/4,655.80 = 1,881.68/x
  3. Step 3: Cross multiply
    3,373.70x = 4,655.80 × 1,881.68
  4. Step 4: Simplify right side
    3,373.70x = 8,760,725.74
  5. Step 5: Solve for x
    x = 8,760,725.74/3,373.70
  6. Step 6: Final answer
    x = 2,596.77

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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.