Home / 1,359.68-2,029.75-1,263.32

Finding the Fourth Proportional to 1,359.68, 2,029.75 and 1,263.32

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Solution

The fourth proportional to 1,359.68, 2,029.75 and 1,263.32 is: 1,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.68 : 2,029.75 = 1,263.32 : x
  2. Step 2: Convert to fraction form
    1,359.68/2,029.75 = 1,263.32/x
  3. Step 3: Cross multiply
    1,359.68x = 2,029.75 × 1,263.32
  4. Step 4: Simplify right side
    1,359.68x = 2,564,213.62
  5. Step 5: Solve for x
    x = 2,564,213.62/1,359.68
  6. Step 6: Final answer
    x = 1,885.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.