Home / 2,946.83-4,066.04-1,688.28

Finding the Fourth Proportional to 2,946.83, 4,066.04 and 1,688.28

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Solution

The fourth proportional to 2,946.83, 4,066.04 and 1,688.28 is: 2,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.83 : 4,066.04 = 1,688.28 : x
  2. Step 2: Convert to fraction form
    2,946.83/4,066.04 = 1,688.28/x
  3. Step 3: Cross multiply
    2,946.83x = 4,066.04 × 1,688.28
  4. Step 4: Simplify right side
    2,946.83x = 6,864,605.57
  5. Step 5: Solve for x
    x = 6,864,605.57/2,946.83
  6. Step 6: Final answer
    x = 2,329.49

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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.