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Finding the Fourth Proportional to 2,393.71, 3,590.57 and 2,218.75

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Solution

The fourth proportional to 2,393.71, 3,590.57 and 2,218.75 is: 3,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.71 : 3,590.57 = 2,218.75 : x
  2. Step 2: Convert to fraction form
    2,393.71/3,590.57 = 2,218.75/x
  3. Step 3: Cross multiply
    2,393.71x = 3,590.57 × 2,218.75
  4. Step 4: Simplify right side
    2,393.71x = 7,966,577.19
  5. Step 5: Solve for x
    x = 7,966,577.19/2,393.71
  6. Step 6: Final answer
    x = 3,328.13

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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.