Home / 4,121.86-5,688.06-2,353.36

Finding the Fourth Proportional to 4,121.86, 5,688.06 and 2,353.36

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Solution

The fourth proportional to 4,121.86, 5,688.06 and 2,353.36 is: 3,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.86 : 5,688.06 = 2,353.36 : x
  2. Step 2: Convert to fraction form
    4,121.86/5,688.06 = 2,353.36/x
  3. Step 3: Cross multiply
    4,121.86x = 5,688.06 × 2,353.36
  4. Step 4: Simplify right side
    4,121.86x = 13,386,052.88
  5. Step 5: Solve for x
    x = 13,386,052.88/4,121.86
  6. Step 6: Final answer
    x = 3,247.58

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1.5x scale

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.