Home / 2,038.12-3,039.40-1,814.08

Finding the Fourth Proportional to 2,038.12, 3,039.40 and 1,814.08

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Solution

The fourth proportional to 2,038.12, 3,039.40 and 1,814.08 is: 2,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.12 : 3,039.40 = 1,814.08 : x
  2. Step 2: Convert to fraction form
    2,038.12/3,039.40 = 1,814.08/x
  3. Step 3: Cross multiply
    2,038.12x = 3,039.40 × 1,814.08
  4. Step 4: Simplify right side
    2,038.12x = 5,513,714.75
  5. Step 5: Solve for x
    x = 5,513,714.75/2,038.12
  6. Step 6: Final answer
    x = 2,705.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.