Home / 3,759.22-5,638.90-2,210.10

Finding the Fourth Proportional to 3,759.22, 5,638.90 and 2,210.10

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Solution

The fourth proportional to 3,759.22, 5,638.90 and 2,210.10 is: 3,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.22 : 5,638.90 = 2,210.10 : x
  2. Step 2: Convert to fraction form
    3,759.22/5,638.90 = 2,210.10/x
  3. Step 3: Cross multiply
    3,759.22x = 5,638.90 × 2,210.10
  4. Step 4: Simplify right side
    3,759.22x = 12,462,532.89
  5. Step 5: Solve for x
    x = 12,462,532.89/3,759.22
  6. Step 6: Final answer
    x = 3,315.19

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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.