Home / 3,291.71-4,541.40-1,964.93

Finding the Fourth Proportional to 3,291.71, 4,541.40 and 1,964.93

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Solution

The fourth proportional to 3,291.71, 4,541.40 and 1,964.93 is: 2,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.71 : 4,541.40 = 1,964.93 : x
  2. Step 2: Convert to fraction form
    3,291.71/4,541.40 = 1,964.93/x
  3. Step 3: Cross multiply
    3,291.71x = 4,541.40 × 1,964.93
  4. Step 4: Simplify right side
    3,291.71x = 8,923,510.40
  5. Step 5: Solve for x
    x = 8,923,510.40/3,291.71
  6. Step 6: Final answer
    x = 2,710.91

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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.