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Finding the Fourth Proportional to 3,971.34, 5,952.48 and 1,888.40

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Solution

The fourth proportional to 3,971.34, 5,952.48 and 1,888.40 is: 2,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.34 : 5,952.48 = 1,888.40 : x
  2. Step 2: Convert to fraction form
    3,971.34/5,952.48 = 1,888.40/x
  3. Step 3: Cross multiply
    3,971.34x = 5,952.48 × 1,888.40
  4. Step 4: Simplify right side
    3,971.34x = 11,240,633.47
  5. Step 5: Solve for x
    x = 11,240,633.47/3,971.34
  6. Step 6: Final answer
    x = 2,830.44

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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.