Home / 1,880.41-2,596.05-1,251.81

Finding the Fourth Proportional to 1,880.41, 2,596.05 and 1,251.81

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Solution

The fourth proportional to 1,880.41, 2,596.05 and 1,251.81 is: 1,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.41 : 2,596.05 = 1,251.81 : x
  2. Step 2: Convert to fraction form
    1,880.41/2,596.05 = 1,251.81/x
  3. Step 3: Cross multiply
    1,880.41x = 2,596.05 × 1,251.81
  4. Step 4: Simplify right side
    1,880.41x = 3,249,761.35
  5. Step 5: Solve for x
    x = 3,249,761.35/1,880.41
  6. Step 6: Final answer
    x = 1,728.22

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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.