Home / 1,803.48-2,703.38-1,145.85

Finding the Fourth Proportional to 1,803.48, 2,703.38 and 1,145.85

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Solution

The fourth proportional to 1,803.48, 2,703.38 and 1,145.85 is: 1,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.48 : 2,703.38 = 1,145.85 : x
  2. Step 2: Convert to fraction form
    1,803.48/2,703.38 = 1,145.85/x
  3. Step 3: Cross multiply
    1,803.48x = 2,703.38 × 1,145.85
  4. Step 4: Simplify right side
    1,803.48x = 3,097,652.11
  5. Step 5: Solve for x
    x = 3,097,652.11/1,803.48
  6. Step 6: Final answer
    x = 1,717.59

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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.