Home / 1,929.60-2,663.58-1,301.91

Finding the Fourth Proportional to 1,929.60, 2,663.58 and 1,301.91

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Solution

The fourth proportional to 1,929.60, 2,663.58 and 1,301.91 is: 1,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.60 : 2,663.58 = 1,301.91 : x
  2. Step 2: Convert to fraction form
    1,929.60/2,663.58 = 1,301.91/x
  3. Step 3: Cross multiply
    1,929.60x = 2,663.58 × 1,301.91
  4. Step 4: Simplify right side
    1,929.60x = 3,467,741.44
  5. Step 5: Solve for x
    x = 3,467,741.44/1,929.60
  6. Step 6: Final answer
    x = 1,797.13

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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.