Home / 1,926.12-2,656.40-1,552.98

Finding the Fourth Proportional to 1,926.12, 2,656.40 and 1,552.98

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Solution

The fourth proportional to 1,926.12, 2,656.40 and 1,552.98 is: 2,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.12 : 2,656.40 = 1,552.98 : x
  2. Step 2: Convert to fraction form
    1,926.12/2,656.40 = 1,552.98/x
  3. Step 3: Cross multiply
    1,926.12x = 2,656.40 × 1,552.98
  4. Step 4: Simplify right side
    1,926.12x = 4,125,336.07
  5. Step 5: Solve for x
    x = 4,125,336.07/1,926.12
  6. Step 6: Final answer
    x = 2,141.79

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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.