Home / 1,899.52-2,621.18-1,102.68

Finding the Fourth Proportional to 1,899.52, 2,621.18 and 1,102.68

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Solution

The fourth proportional to 1,899.52, 2,621.18 and 1,102.68 is: 1,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.52 : 2,621.18 = 1,102.68 : x
  2. Step 2: Convert to fraction form
    1,899.52/2,621.18 = 1,102.68/x
  3. Step 3: Cross multiply
    1,899.52x = 2,621.18 × 1,102.68
  4. Step 4: Simplify right side
    1,899.52x = 2,890,322.76
  5. Step 5: Solve for x
    x = 2,890,322.76/1,899.52
  6. Step 6: Final answer
    x = 1,521.61

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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.