Home / 2,926.08-4,386.64-1,281.38

Finding the Fourth Proportional to 2,926.08, 4,386.64 and 1,281.38

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Solution

The fourth proportional to 2,926.08, 4,386.64 and 1,281.38 is: 1,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.08 : 4,386.64 = 1,281.38 : x
  2. Step 2: Convert to fraction form
    2,926.08/4,386.64 = 1,281.38/x
  3. Step 3: Cross multiply
    2,926.08x = 4,386.64 × 1,281.38
  4. Step 4: Simplify right side
    2,926.08x = 5,620,952.76
  5. Step 5: Solve for x
    x = 5,620,952.76/2,926.08
  6. Step 6: Final answer
    x = 1,920.98

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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.