Home / 2,590.61-3,860.91-2,586.49

Finding the Fourth Proportional to 2,590.61, 3,860.91 and 2,586.49

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Solution

The fourth proportional to 2,590.61, 3,860.91 and 2,586.49 is: 3,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.61 : 3,860.91 = 2,586.49 : x
  2. Step 2: Convert to fraction form
    2,590.61/3,860.91 = 2,586.49/x
  3. Step 3: Cross multiply
    2,590.61x = 3,860.91 × 2,586.49
  4. Step 4: Simplify right side
    2,590.61x = 9,986,195.45
  5. Step 5: Solve for x
    x = 9,986,195.45/2,590.61
  6. Step 6: Final answer
    x = 3,854.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.