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Finding the Fourth Proportional to 2,902.71, 4,004.28 and 1,723.35

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Solution

The fourth proportional to 2,902.71, 4,004.28 and 1,723.35 is: 2,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.71 : 4,004.28 = 1,723.35 : x
  2. Step 2: Convert to fraction form
    2,902.71/4,004.28 = 1,723.35/x
  3. Step 3: Cross multiply
    2,902.71x = 4,004.28 × 1,723.35
  4. Step 4: Simplify right side
    2,902.71x = 6,900,775.94
  5. Step 5: Solve for x
    x = 6,900,775.94/2,902.71
  6. Step 6: Final answer
    x = 2,377.36

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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.