Home / 2,582.10-3,560.85-1,878.57

Finding the Fourth Proportional to 2,582.10, 3,560.85 and 1,878.57

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Solution

The fourth proportional to 2,582.10, 3,560.85 and 1,878.57 is: 2,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.10 : 3,560.85 = 1,878.57 : x
  2. Step 2: Convert to fraction form
    2,582.10/3,560.85 = 1,878.57/x
  3. Step 3: Cross multiply
    2,582.10x = 3,560.85 × 1,878.57
  4. Step 4: Simplify right side
    2,582.10x = 6,689,305.98
  5. Step 5: Solve for x
    x = 6,689,305.98/2,582.10
  6. Step 6: Final answer
    x = 2,590.65

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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.