Home / 1,901.98-2,849-1,529.78

Finding the Fourth Proportional to 1,901.98, 2,849 and 1,529.78

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Solution

The fourth proportional to 1,901.98, 2,849 and 1,529.78 is: 2,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.98 : 2,849 = 1,529.78 : x
  2. Step 2: Convert to fraction form
    1,901.98/2,849 = 1,529.78/x
  3. Step 3: Cross multiply
    1,901.98x = 2,849 × 1,529.78
  4. Step 4: Simplify right side
    1,901.98x = 4,358,343.22
  5. Step 5: Solve for x
    x = 4,358,343.22/1,901.98
  6. Step 6: Final answer
    x = 2,291.48

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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.