Home / 3,871.04-5,804.75-1,238.02

Finding the Fourth Proportional to 3,871.04, 5,804.75 and 1,238.02

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Solution

The fourth proportional to 3,871.04, 5,804.75 and 1,238.02 is: 1,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.04 : 5,804.75 = 1,238.02 : x
  2. Step 2: Convert to fraction form
    3,871.04/5,804.75 = 1,238.02/x
  3. Step 3: Cross multiply
    3,871.04x = 5,804.75 × 1,238.02
  4. Step 4: Simplify right side
    3,871.04x = 7,186,385.18
  5. Step 5: Solve for x
    x = 7,186,385.18/3,871.04
  6. Step 6: Final answer
    x = 1,856.45

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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.