Home / 3,622.25-4,999.28-2,130.53

Finding the Fourth Proportional to 3,622.25, 4,999.28 and 2,130.53

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Solution

The fourth proportional to 3,622.25, 4,999.28 and 2,130.53 is: 2,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.25 : 4,999.28 = 2,130.53 : x
  2. Step 2: Convert to fraction form
    3,622.25/4,999.28 = 2,130.53/x
  3. Step 3: Cross multiply
    3,622.25x = 4,999.28 × 2,130.53
  4. Step 4: Simplify right side
    3,622.25x = 10,651,080.37
  5. Step 5: Solve for x
    x = 10,651,080.37/3,622.25
  6. Step 6: Final answer
    x = 2,940.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.