Home / 1,901.61-2,849.14-1,709

Finding the Fourth Proportional to 1,901.61, 2,849.14 and 1,709

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Solution

The fourth proportional to 1,901.61, 2,849.14 and 1,709 is: 2,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.61 : 2,849.14 = 1,709 : x
  2. Step 2: Convert to fraction form
    1,901.61/2,849.14 = 1,709/x
  3. Step 3: Cross multiply
    1,901.61x = 2,849.14 × 1,709
  4. Step 4: Simplify right side
    1,901.61x = 4,869,180.26
  5. Step 5: Solve for x
    x = 4,869,180.26/1,901.61
  6. Step 6: Final answer
    x = 2,560.56

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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.