Home / 3,886.66-5,828.05-2,306.99

Finding the Fourth Proportional to 3,886.66, 5,828.05 and 2,306.99

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Solution

The fourth proportional to 3,886.66, 5,828.05 and 2,306.99 is: 3,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.66 : 5,828.05 = 2,306.99 : x
  2. Step 2: Convert to fraction form
    3,886.66/5,828.05 = 2,306.99/x
  3. Step 3: Cross multiply
    3,886.66x = 5,828.05 × 2,306.99
  4. Step 4: Simplify right side
    3,886.66x = 13,445,253.07
  5. Step 5: Solve for x
    x = 13,445,253.07/3,886.66
  6. Step 6: Final answer
    x = 3,459.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.