Home / 2,590.65-3,575.21-1,542.51

Finding the Fourth Proportional to 2,590.65, 3,575.21 and 1,542.51

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Solution

The fourth proportional to 2,590.65, 3,575.21 and 1,542.51 is: 2,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.65 : 3,575.21 = 1,542.51 : x
  2. Step 2: Convert to fraction form
    2,590.65/3,575.21 = 1,542.51/x
  3. Step 3: Cross multiply
    2,590.65x = 3,575.21 × 1,542.51
  4. Step 4: Simplify right side
    2,590.65x = 5,514,789.46
  5. Step 5: Solve for x
    x = 5,514,789.46/2,590.65
  6. Step 6: Final answer
    x = 2,128.73

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1.5x scale

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.