Home / 4,253.19-6,380.64-1,656.11

Finding the Fourth Proportional to 4,253.19, 6,380.64 and 1,656.11

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Solution

The fourth proportional to 4,253.19, 6,380.64 and 1,656.11 is: 2,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.19 : 6,380.64 = 1,656.11 : x
  2. Step 2: Convert to fraction form
    4,253.19/6,380.64 = 1,656.11/x
  3. Step 3: Cross multiply
    4,253.19x = 6,380.64 × 1,656.11
  4. Step 4: Simplify right side
    4,253.19x = 10,567,009.81
  5. Step 5: Solve for x
    x = 10,567,009.81/4,253.19
  6. Step 6: Final answer
    x = 2,484.49

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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.