Home / 2,590.63-3,575.14-1,411.78

Finding the Fourth Proportional to 2,590.63, 3,575.14 and 1,411.78

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Solution

The fourth proportional to 2,590.63, 3,575.14 and 1,411.78 is: 1,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.63 : 3,575.14 = 1,411.78 : x
  2. Step 2: Convert to fraction form
    2,590.63/3,575.14 = 1,411.78/x
  3. Step 3: Cross multiply
    2,590.63x = 3,575.14 × 1,411.78
  4. Step 4: Simplify right side
    2,590.63x = 5,047,286.21
  5. Step 5: Solve for x
    x = 5,047,286.21/2,590.63
  6. Step 6: Final answer
    x = 1,948.29

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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.