Home / 3,720.36-5,582.98-1,772.72

Finding the Fourth Proportional to 3,720.36, 5,582.98 and 1,772.72

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Solution

The fourth proportional to 3,720.36, 5,582.98 and 1,772.72 is: 2,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.36 : 5,582.98 = 1,772.72 : x
  2. Step 2: Convert to fraction form
    3,720.36/5,582.98 = 1,772.72/x
  3. Step 3: Cross multiply
    3,720.36x = 5,582.98 × 1,772.72
  4. Step 4: Simplify right side
    3,720.36x = 9,897,045.57
  5. Step 5: Solve for x
    x = 9,897,045.57/3,720.36
  6. Step 6: Final answer
    x = 2,660.24

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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.