Home / 2,919.94-4,029.42-1,740.40

Finding the Fourth Proportional to 2,919.94, 4,029.42 and 1,740.40

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Solution

The fourth proportional to 2,919.94, 4,029.42 and 1,740.40 is: 2,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.94 : 4,029.42 = 1,740.40 : x
  2. Step 2: Convert to fraction form
    2,919.94/4,029.42 = 1,740.40/x
  3. Step 3: Cross multiply
    2,919.94x = 4,029.42 × 1,740.40
  4. Step 4: Simplify right side
    2,919.94x = 7,012,802.57
  5. Step 5: Solve for x
    x = 7,012,802.57/2,919.94
  6. Step 6: Final answer
    x = 2,401.69

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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.