Home / 1,946.61-2,920.65-1,167.17

Finding the Fourth Proportional to 1,946.61, 2,920.65 and 1,167.17

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Solution

The fourth proportional to 1,946.61, 2,920.65 and 1,167.17 is: 1,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.61 : 2,920.65 = 1,167.17 : x
  2. Step 2: Convert to fraction form
    1,946.61/2,920.65 = 1,167.17/x
  3. Step 3: Cross multiply
    1,946.61x = 2,920.65 × 1,167.17
  4. Step 4: Simplify right side
    1,946.61x = 3,408,880.46
  5. Step 5: Solve for x
    x = 3,408,880.46/1,946.61
  6. Step 6: Final answer
    x = 1,751.19

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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.