Home / 3,926.30-5,417.64-2,601.80

Finding the Fourth Proportional to 3,926.30, 5,417.64 and 2,601.80

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Solution

The fourth proportional to 3,926.30, 5,417.64 and 2,601.80 is: 3,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.30 : 5,417.64 = 2,601.80 : x
  2. Step 2: Convert to fraction form
    3,926.30/5,417.64 = 2,601.80/x
  3. Step 3: Cross multiply
    3,926.30x = 5,417.64 × 2,601.80
  4. Step 4: Simplify right side
    3,926.30x = 14,095,615.75
  5. Step 5: Solve for x
    x = 14,095,615.75/3,926.30
  6. Step 6: Final answer
    x = 3,590.05

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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.