Home / 2,909.64-4,365.24-1,177.32

Finding the Fourth Proportional to 2,909.64, 4,365.24 and 1,177.32

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Solution

The fourth proportional to 2,909.64, 4,365.24 and 1,177.32 is: 1,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.64 : 4,365.24 = 1,177.32 : x
  2. Step 2: Convert to fraction form
    2,909.64/4,365.24 = 1,177.32/x
  3. Step 3: Cross multiply
    2,909.64x = 4,365.24 × 1,177.32
  4. Step 4: Simplify right side
    2,909.64x = 5,139,284.36
  5. Step 5: Solve for x
    x = 5,139,284.36/2,909.64
  6. Step 6: Final answer
    x = 1,766.30

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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.