Home / 1,926.13-2,886.53-1,102.66

Finding the Fourth Proportional to 1,926.13, 2,886.53 and 1,102.66

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Solution

The fourth proportional to 1,926.13, 2,886.53 and 1,102.66 is: 1,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.13 : 2,886.53 = 1,102.66 : x
  2. Step 2: Convert to fraction form
    1,926.13/2,886.53 = 1,102.66/x
  3. Step 3: Cross multiply
    1,926.13x = 2,886.53 × 1,102.66
  4. Step 4: Simplify right side
    1,926.13x = 3,182,861.17
  5. Step 5: Solve for x
    x = 3,182,861.17/1,926.13
  6. Step 6: Final answer
    x = 1,652.46

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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.