Home / 1,926.88-2,659.08-1,507.66

Finding the Fourth Proportional to 1,926.88, 2,659.08 and 1,507.66

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Solution

The fourth proportional to 1,926.88, 2,659.08 and 1,507.66 is: 2,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.88 : 2,659.08 = 1,507.66 : x
  2. Step 2: Convert to fraction form
    1,926.88/2,659.08 = 1,507.66/x
  3. Step 3: Cross multiply
    1,926.88x = 2,659.08 × 1,507.66
  4. Step 4: Simplify right side
    1,926.88x = 4,008,988.55
  5. Step 5: Solve for x
    x = 4,008,988.55/1,926.88
  6. Step 6: Final answer
    x = 2,080.56

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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.