Home / 1,359.96-2,030.91-1,100.28

Finding the Fourth Proportional to 1,359.96, 2,030.91 and 1,100.28

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Solution

The fourth proportional to 1,359.96, 2,030.91 and 1,100.28 is: 1,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.96 : 2,030.91 = 1,100.28 : x
  2. Step 2: Convert to fraction form
    1,359.96/2,030.91 = 1,100.28/x
  3. Step 3: Cross multiply
    1,359.96x = 2,030.91 × 1,100.28
  4. Step 4: Simplify right side
    1,359.96x = 2,234,569.65
  5. Step 5: Solve for x
    x = 2,234,569.65/1,359.96
  6. Step 6: Final answer
    x = 1,643.11

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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.