Home / 3,720.23-5,580.80-1,744.84

Finding the Fourth Proportional to 3,720.23, 5,580.80 and 1,744.84

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Solution

The fourth proportional to 3,720.23, 5,580.80 and 1,744.84 is: 2,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.23 : 5,580.80 = 1,744.84 : x
  2. Step 2: Convert to fraction form
    3,720.23/5,580.80 = 1,744.84/x
  3. Step 3: Cross multiply
    3,720.23x = 5,580.80 × 1,744.84
  4. Step 4: Simplify right side
    3,720.23x = 9,737,603.07
  5. Step 5: Solve for x
    x = 9,737,603.07/3,720.23
  6. Step 6: Final answer
    x = 2,617.47

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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.