Home / 1,146.45-1,720.49-1,036.29

Finding the Fourth Proportional to 1,146.45, 1,720.49 and 1,036.29

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Solution

The fourth proportional to 1,146.45, 1,720.49 and 1,036.29 is: 1,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.45 : 1,720.49 = 1,036.29 : x
  2. Step 2: Convert to fraction form
    1,146.45/1,720.49 = 1,036.29/x
  3. Step 3: Cross multiply
    1,146.45x = 1,720.49 × 1,036.29
  4. Step 4: Simplify right side
    1,146.45x = 1,782,921.40
  5. Step 5: Solve for x
    x = 1,782,921.40/1,146.45
  6. Step 6: Final answer
    x = 1,555.17

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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.