Home / 3,336.18-5,005.08-1,387.32

Finding the Fourth Proportional to 3,336.18, 5,005.08 and 1,387.32

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Solution

The fourth proportional to 3,336.18, 5,005.08 and 1,387.32 is: 2,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.18 : 5,005.08 = 1,387.32 : x
  2. Step 2: Convert to fraction form
    3,336.18/5,005.08 = 1,387.32/x
  3. Step 3: Cross multiply
    3,336.18x = 5,005.08 × 1,387.32
  4. Step 4: Simplify right side
    3,336.18x = 6,943,647.59
  5. Step 5: Solve for x
    x = 6,943,647.59/3,336.18
  6. Step 6: Final answer
    x = 2,081.32

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1.5x scale

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.