Home / 2,025.18-3,038.70-1,205.10

Finding the Fourth Proportional to 2,025.18, 3,038.70 and 1,205.10

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Solution

The fourth proportional to 2,025.18, 3,038.70 and 1,205.10 is: 1,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.18 : 3,038.70 = 1,205.10 : x
  2. Step 2: Convert to fraction form
    2,025.18/3,038.70 = 1,205.10/x
  3. Step 3: Cross multiply
    2,025.18x = 3,038.70 × 1,205.10
  4. Step 4: Simplify right side
    2,025.18x = 3,661,937.37
  5. Step 5: Solve for x
    x = 3,661,937.37/2,025.18
  6. Step 6: Final answer
    x = 1,808.20

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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.