Home / 3,585.12-5,377.44-1,276.32

Finding the Fourth Proportional to 3,585.12, 5,377.44 and 1,276.32

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Solution

The fourth proportional to 3,585.12, 5,377.44 and 1,276.32 is: 1,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.12 : 5,377.44 = 1,276.32 : x
  2. Step 2: Convert to fraction form
    3,585.12/5,377.44 = 1,276.32/x
  3. Step 3: Cross multiply
    3,585.12x = 5,377.44 × 1,276.32
  4. Step 4: Simplify right side
    3,585.12x = 6,863,334.22
  5. Step 5: Solve for x
    x = 6,863,334.22/3,585.12
  6. Step 6: Final answer
    x = 1,914.39

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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.