Home / 1,892.31-2,838.47-1,569.93

Finding the Fourth Proportional to 1,892.31, 2,838.47 and 1,569.93

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Solution

The fourth proportional to 1,892.31, 2,838.47 and 1,569.93 is: 2,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.31 : 2,838.47 = 1,569.93 : x
  2. Step 2: Convert to fraction form
    1,892.31/2,838.47 = 1,569.93/x
  3. Step 3: Cross multiply
    1,892.31x = 2,838.47 × 1,569.93
  4. Step 4: Simplify right side
    1,892.31x = 4,456,191.36
  5. Step 5: Solve for x
    x = 4,456,191.36/1,892.31
  6. Step 6: Final answer
    x = 2,354.90

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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.