Home / 2,590.75-3,876.40-1,612.27

Finding the Fourth Proportional to 2,590.75, 3,876.40 and 1,612.27

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Solution

The fourth proportional to 2,590.75, 3,876.40 and 1,612.27 is: 2,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.75 : 3,876.40 = 1,612.27 : x
  2. Step 2: Convert to fraction form
    2,590.75/3,876.40 = 1,612.27/x
  3. Step 3: Cross multiply
    2,590.75x = 3,876.40 × 1,612.27
  4. Step 4: Simplify right side
    2,590.75x = 6,249,803.43
  5. Step 5: Solve for x
    x = 6,249,803.43/2,590.75
  6. Step 6: Final answer
    x = 2,412.35

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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.