Home / 2,590.32-3,557.28-2,217.30

Finding the Fourth Proportional to 2,590.32, 3,557.28 and 2,217.30

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Solution

The fourth proportional to 2,590.32, 3,557.28 and 2,217.30 is: 3,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.32 : 3,557.28 = 2,217.30 : x
  2. Step 2: Convert to fraction form
    2,590.32/3,557.28 = 2,217.30/x
  3. Step 3: Cross multiply
    2,590.32x = 3,557.28 × 2,217.30
  4. Step 4: Simplify right side
    2,590.32x = 7,887,556.94
  5. Step 5: Solve for x
    x = 7,887,556.94/2,590.32
  6. Step 6: Final answer
    x = 3,045.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.