Home / 2,917.10-4,026.96-1,869.76

Finding the Fourth Proportional to 2,917.10, 4,026.96 and 1,869.76

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Solution

The fourth proportional to 2,917.10, 4,026.96 and 1,869.76 is: 2,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.10 : 4,026.96 = 1,869.76 : x
  2. Step 2: Convert to fraction form
    2,917.10/4,026.96 = 1,869.76/x
  3. Step 3: Cross multiply
    2,917.10x = 4,026.96 × 1,869.76
  4. Step 4: Simplify right side
    2,917.10x = 7,529,448.73
  5. Step 5: Solve for x
    x = 7,529,448.73/2,917.10
  6. Step 6: Final answer
    x = 2,581.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.