Home / 2,946.56-4,066.15-1,687.74

Finding the Fourth Proportional to 2,946.56, 4,066.15 and 1,687.74

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Solution

The fourth proportional to 2,946.56, 4,066.15 and 1,687.74 is: 2,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.56 : 4,066.15 = 1,687.74 : x
  2. Step 2: Convert to fraction form
    2,946.56/4,066.15 = 1,687.74/x
  3. Step 3: Cross multiply
    2,946.56x = 4,066.15 × 1,687.74
  4. Step 4: Simplify right side
    2,946.56x = 6,862,604.00
  5. Step 5: Solve for x
    x = 6,862,604.00/2,946.56
  6. Step 6: Final answer
    x = 2,329.02

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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.