Home / 2,289.16-3,435.18-1,135

Finding the Fourth Proportional to 2,289.16, 3,435.18 and 1,135

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Solution

The fourth proportional to 2,289.16, 3,435.18 and 1,135 is: 1,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.16 : 3,435.18 = 1,135 : x
  2. Step 2: Convert to fraction form
    2,289.16/3,435.18 = 1,135/x
  3. Step 3: Cross multiply
    2,289.16x = 3,435.18 × 1,135
  4. Step 4: Simplify right side
    2,289.16x = 3,898,929.30
  5. Step 5: Solve for x
    x = 3,898,929.30/2,289.16
  6. Step 6: Final answer
    x = 1,703.21

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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.