Home / 3,689.80-5,533.86-1,057.26

Finding the Fourth Proportional to 3,689.80, 5,533.86 and 1,057.26

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Solution

The fourth proportional to 3,689.80, 5,533.86 and 1,057.26 is: 1,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.80 : 5,533.86 = 1,057.26 : x
  2. Step 2: Convert to fraction form
    3,689.80/5,533.86 = 1,057.26/x
  3. Step 3: Cross multiply
    3,689.80x = 5,533.86 × 1,057.26
  4. Step 4: Simplify right side
    3,689.80x = 5,850,728.82
  5. Step 5: Solve for x
    x = 5,850,728.82/3,689.80
  6. Step 6: Final answer
    x = 1,585.65

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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.