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Finding the Fourth Proportional to 2,381.40, 3,566.03 and 1,895.40

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Solution

The fourth proportional to 2,381.40, 3,566.03 and 1,895.40 is: 2,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.40 : 3,566.03 = 1,895.40 : x
  2. Step 2: Convert to fraction form
    2,381.40/3,566.03 = 1,895.40/x
  3. Step 3: Cross multiply
    2,381.40x = 3,566.03 × 1,895.40
  4. Step 4: Simplify right side
    2,381.40x = 6,759,043.79
  5. Step 5: Solve for x
    x = 6,759,043.79/2,381.40
  6. Step 6: Final answer
    x = 2,838.26

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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.