Home / 3,037.15-4,555.31-1,189.55

Finding the Fourth Proportional to 3,037.15, 4,555.31 and 1,189.55

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Solution

The fourth proportional to 3,037.15, 4,555.31 and 1,189.55 is: 1,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.15 : 4,555.31 = 1,189.55 : x
  2. Step 2: Convert to fraction form
    3,037.15/4,555.31 = 1,189.55/x
  3. Step 3: Cross multiply
    3,037.15x = 4,555.31 × 1,189.55
  4. Step 4: Simplify right side
    3,037.15x = 5,418,774.45
  5. Step 5: Solve for x
    x = 5,418,774.45/3,037.15
  6. Step 6: Final answer
    x = 1,784.17

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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.