Home / 2,926.47-4,390.31-1,539.05

Finding the Fourth Proportional to 2,926.47, 4,390.31 and 1,539.05

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Solution

The fourth proportional to 2,926.47, 4,390.31 and 1,539.05 is: 2,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.47 : 4,390.31 = 1,539.05 : x
  2. Step 2: Convert to fraction form
    2,926.47/4,390.31 = 1,539.05/x
  3. Step 3: Cross multiply
    2,926.47x = 4,390.31 × 1,539.05
  4. Step 4: Simplify right side
    2,926.47x = 6,756,888.50
  5. Step 5: Solve for x
    x = 6,756,888.50/2,926.47
  6. Step 6: Final answer
    x = 2,308.89

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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.