Home / 1,926.58-2,658.02-1,087.18

Finding the Fourth Proportional to 1,926.58, 2,658.02 and 1,087.18

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Solution

The fourth proportional to 1,926.58, 2,658.02 and 1,087.18 is: 1,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.58 : 2,658.02 = 1,087.18 : x
  2. Step 2: Convert to fraction form
    1,926.58/2,658.02 = 1,087.18/x
  3. Step 3: Cross multiply
    1,926.58x = 2,658.02 × 1,087.18
  4. Step 4: Simplify right side
    1,926.58x = 2,889,746.18
  5. Step 5: Solve for x
    x = 2,889,746.18/1,926.58
  6. Step 6: Final answer
    x = 1,499.94

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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.