Home / 2,029.10-3,036.45-1,409.90

Finding the Fourth Proportional to 2,029.10, 3,036.45 and 1,409.90

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Solution

The fourth proportional to 2,029.10, 3,036.45 and 1,409.90 is: 2,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.10 : 3,036.45 = 1,409.90 : x
  2. Step 2: Convert to fraction form
    2,029.10/3,036.45 = 1,409.90/x
  3. Step 3: Cross multiply
    2,029.10x = 3,036.45 × 1,409.90
  4. Step 4: Simplify right side
    2,029.10x = 4,281,090.86
  5. Step 5: Solve for x
    x = 4,281,090.86/2,029.10
  6. Step 6: Final answer
    x = 2,109.85

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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.