Home / 2,963.90-4,090.30-1,967.46

Finding the Fourth Proportional to 2,963.90, 4,090.30 and 1,967.46

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Solution

The fourth proportional to 2,963.90, 4,090.30 and 1,967.46 is: 2,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.90 : 4,090.30 = 1,967.46 : x
  2. Step 2: Convert to fraction form
    2,963.90/4,090.30 = 1,967.46/x
  3. Step 3: Cross multiply
    2,963.90x = 4,090.30 × 1,967.46
  4. Step 4: Simplify right side
    2,963.90x = 8,047,501.64
  5. Step 5: Solve for x
    x = 8,047,501.64/2,963.90
  6. Step 6: Final answer
    x = 2,715.17

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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.