Home / 3,389.15-5,074.14-2,153.50

Finding the Fourth Proportional to 3,389.15, 5,074.14 and 2,153.50

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Solution

The fourth proportional to 3,389.15, 5,074.14 and 2,153.50 is: 3,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.15 : 5,074.14 = 2,153.50 : x
  2. Step 2: Convert to fraction form
    3,389.15/5,074.14 = 2,153.50/x
  3. Step 3: Cross multiply
    3,389.15x = 5,074.14 × 2,153.50
  4. Step 4: Simplify right side
    3,389.15x = 10,927,160.49
  5. Step 5: Solve for x
    x = 10,927,160.49/3,389.15
  6. Step 6: Final answer
    x = 3,224.16

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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.