Home / 3,570.02-5,351.21-1,489.49

Finding the Fourth Proportional to 3,570.02, 5,351.21 and 1,489.49

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Solution

The fourth proportional to 3,570.02, 5,351.21 and 1,489.49 is: 2,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.02 : 5,351.21 = 1,489.49 : x
  2. Step 2: Convert to fraction form
    3,570.02/5,351.21 = 1,489.49/x
  3. Step 3: Cross multiply
    3,570.02x = 5,351.21 × 1,489.49
  4. Step 4: Simplify right side
    3,570.02x = 7,970,573.61
  5. Step 5: Solve for x
    x = 7,970,573.61/3,570.02
  6. Step 6: Final answer
    x = 2,232.64

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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.