Home / 2,590.24-3,574.92-1,646.80

Finding the Fourth Proportional to 2,590.24, 3,574.92 and 1,646.80

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Solution

The fourth proportional to 2,590.24, 3,574.92 and 1,646.80 is: 2,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.24 : 3,574.92 = 1,646.80 : x
  2. Step 2: Convert to fraction form
    2,590.24/3,574.92 = 1,646.80/x
  3. Step 3: Cross multiply
    2,590.24x = 3,574.92 × 1,646.80
  4. Step 4: Simplify right side
    2,590.24x = 5,887,178.26
  5. Step 5: Solve for x
    x = 5,887,178.26/2,590.24
  6. Step 6: Final answer
    x = 2,272.83

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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.