Home / 3,913.93-5,871.47-1,140.24

Finding the Fourth Proportional to 3,913.93, 5,871.47 and 1,140.24

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Solution

The fourth proportional to 3,913.93, 5,871.47 and 1,140.24 is: 1,710.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.93 : 5,871.47 = 1,140.24 : x
  2. Step 2: Convert to fraction form
    3,913.93/5,871.47 = 1,140.24/x
  3. Step 3: Cross multiply
    3,913.93x = 5,871.47 × 1,140.24
  4. Step 4: Simplify right side
    3,913.93x = 6,694,879.25
  5. Step 5: Solve for x
    x = 6,694,879.25/3,913.93
  6. Step 6: Final answer
    x = 1,710.53

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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.