Home / 1,544.90-2,314.23-722.03

Finding the Fourth Proportional to 1,544.90, 2,314.23 and 722.03

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Solution

The fourth proportional to 1,544.90, 2,314.23 and 722.03 is: 1,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.90 : 2,314.23 = 722.03 : x
  2. Step 2: Convert to fraction form
    1,544.90/2,314.23 = 722.03/x
  3. Step 3: Cross multiply
    1,544.90x = 2,314.23 × 722.03
  4. Step 4: Simplify right side
    1,544.90x = 1,670,943.49
  5. Step 5: Solve for x
    x = 1,670,943.49/1,544.90
  6. Step 6: Final answer
    x = 1,081.59

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1.5x scale

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.