Home / 2,963.79-4,090.14-1,784.70

Finding the Fourth Proportional to 2,963.79, 4,090.14 and 1,784.70

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Solution

The fourth proportional to 2,963.79, 4,090.14 and 1,784.70 is: 2,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.79 : 4,090.14 = 1,784.70 : x
  2. Step 2: Convert to fraction form
    2,963.79/4,090.14 = 1,784.70/x
  3. Step 3: Cross multiply
    2,963.79x = 4,090.14 × 1,784.70
  4. Step 4: Simplify right side
    2,963.79x = 7,299,672.86
  5. Step 5: Solve for x
    x = 7,299,672.86/2,963.79
  6. Step 6: Final answer
    x = 2,462.95

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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.