Home / 2,929.78-4,396.99-1,543.93

Finding the Fourth Proportional to 2,929.78, 4,396.99 and 1,543.93

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Solution

The fourth proportional to 2,929.78, 4,396.99 and 1,543.93 is: 2,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.78 : 4,396.99 = 1,543.93 : x
  2. Step 2: Convert to fraction form
    2,929.78/4,396.99 = 1,543.93/x
  3. Step 3: Cross multiply
    2,929.78x = 4,396.99 × 1,543.93
  4. Step 4: Simplify right side
    2,929.78x = 6,788,644.77
  5. Step 5: Solve for x
    x = 6,788,644.77/2,929.78
  6. Step 6: Final answer
    x = 2,317.12

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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.