Home / 3,943.23-5,914.80-1,478.00

Finding the Fourth Proportional to 3,943.23, 5,914.80 and 1,478.00

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Solution

The fourth proportional to 3,943.23, 5,914.80 and 1,478.00 is: 2,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.23 : 5,914.80 = 1,478.00 : x
  2. Step 2: Convert to fraction form
    3,943.23/5,914.80 = 1,478.00/x
  3. Step 3: Cross multiply
    3,943.23x = 5,914.80 × 1,478.00
  4. Step 4: Simplify right side
    3,943.23x = 8,742,044.83
  5. Step 5: Solve for x
    x = 8,742,044.83/3,943.23
  6. Step 6: Final answer
    x = 2,216.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.