Home / 2,901.99-4,349.05-1,318.74

Finding the Fourth Proportional to 2,901.99, 4,349.05 and 1,318.74

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Solution

The fourth proportional to 2,901.99, 4,349.05 and 1,318.74 is: 1,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.99 : 4,349.05 = 1,318.74 : x
  2. Step 2: Convert to fraction form
    2,901.99/4,349.05 = 1,318.74/x
  3. Step 3: Cross multiply
    2,901.99x = 4,349.05 × 1,318.74
  4. Step 4: Simplify right side
    2,901.99x = 5,735,266.20
  5. Step 5: Solve for x
    x = 5,735,266.20/2,901.99
  6. Step 6: Final answer
    x = 1,976.32

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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.