Home / 2,775.61-4,162.01-926.06

Finding the Fourth Proportional to 2,775.61, 4,162.01 and 926.06

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Solution

The fourth proportional to 2,775.61, 4,162.01 and 926.06 is: 1,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.61 : 4,162.01 = 926.06 : x
  2. Step 2: Convert to fraction form
    2,775.61/4,162.01 = 926.06/x
  3. Step 3: Cross multiply
    2,775.61x = 4,162.01 × 926.06
  4. Step 4: Simplify right side
    2,775.61x = 3,854,266.35
  5. Step 5: Solve for x
    x = 3,854,266.35/2,775.61
  6. Step 6: Final answer
    x = 1,388.62

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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.