Home / 1,873.20-2,806.38-1,580.82

Finding the Fourth Proportional to 1,873.20, 2,806.38 and 1,580.82

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Solution

The fourth proportional to 1,873.20, 2,806.38 and 1,580.82 is: 2,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.20 : 2,806.38 = 1,580.82 : x
  2. Step 2: Convert to fraction form
    1,873.20/2,806.38 = 1,580.82/x
  3. Step 3: Cross multiply
    1,873.20x = 2,806.38 × 1,580.82
  4. Step 4: Simplify right side
    1,873.20x = 4,436,381.63
  5. Step 5: Solve for x
    x = 4,436,381.63/1,873.20
  6. Step 6: Final answer
    x = 2,368.34

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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.