Home / 2,587.68-3,897.96-2,522.07

Finding the Fourth Proportional to 2,587.68, 3,897.96 and 2,522.07

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Solution

The fourth proportional to 2,587.68, 3,897.96 and 2,522.07 is: 3,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.68 : 3,897.96 = 2,522.07 : x
  2. Step 2: Convert to fraction form
    2,587.68/3,897.96 = 2,522.07/x
  3. Step 3: Cross multiply
    2,587.68x = 3,897.96 × 2,522.07
  4. Step 4: Simplify right side
    2,587.68x = 9,830,918.52
  5. Step 5: Solve for x
    x = 9,830,918.52/2,587.68
  6. Step 6: Final answer
    x = 3,799.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.