Home / 2,025.56-3,038.88-999.56

Finding the Fourth Proportional to 2,025.56, 3,038.88 and 999.56

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Solution

The fourth proportional to 2,025.56, 3,038.88 and 999.56 is: 1,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.56 : 3,038.88 = 999.56 : x
  2. Step 2: Convert to fraction form
    2,025.56/3,038.88 = 999.56/x
  3. Step 3: Cross multiply
    2,025.56x = 3,038.88 × 999.56
  4. Step 4: Simplify right side
    2,025.56x = 3,037,554.24
  5. Step 5: Solve for x
    x = 3,037,554.24/2,025.56
  6. Step 6: Final answer
    x = 1,499.61

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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.