Home / 1,348.63-2,022.39-723.58

Finding the Fourth Proportional to 1,348.63, 2,022.39 and 723.58

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Solution

The fourth proportional to 1,348.63, 2,022.39 and 723.58 is: 1,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.63 : 2,022.39 = 723.58 : x
  2. Step 2: Convert to fraction form
    1,348.63/2,022.39 = 723.58/x
  3. Step 3: Cross multiply
    1,348.63x = 2,022.39 × 723.58
  4. Step 4: Simplify right side
    1,348.63x = 1,463,360.96
  5. Step 5: Solve for x
    x = 1,463,360.96/1,348.63
  6. Step 6: Final answer
    x = 1,085.07

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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.