Home / 2,039.47-2,813.50-1,376.53

Finding the Fourth Proportional to 2,039.47, 2,813.50 and 1,376.53

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Solution

The fourth proportional to 2,039.47, 2,813.50 and 1,376.53 is: 1,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.47 : 2,813.50 = 1,376.53 : x
  2. Step 2: Convert to fraction form
    2,039.47/2,813.50 = 1,376.53/x
  3. Step 3: Cross multiply
    2,039.47x = 2,813.50 × 1,376.53
  4. Step 4: Simplify right side
    2,039.47x = 3,872,867.16
  5. Step 5: Solve for x
    x = 3,872,867.16/2,039.47
  6. Step 6: Final answer
    x = 1,898.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.