Home / 3,885.15-5,816.30-2,566.47

Finding the Fourth Proportional to 3,885.15, 5,816.30 and 2,566.47

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Solution

The fourth proportional to 3,885.15, 5,816.30 and 2,566.47 is: 3,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.15 : 5,816.30 = 2,566.47 : x
  2. Step 2: Convert to fraction form
    3,885.15/5,816.30 = 2,566.47/x
  3. Step 3: Cross multiply
    3,885.15x = 5,816.30 × 2,566.47
  4. Step 4: Simplify right side
    3,885.15x = 14,927,346.63
  5. Step 5: Solve for x
    x = 14,927,346.63/3,885.15
  6. Step 6: Final answer
    x = 3,842.15

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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.