Home / 2,232.53-3,080.67-1,288.13

Finding the Fourth Proportional to 2,232.53, 3,080.67 and 1,288.13

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Solution

The fourth proportional to 2,232.53, 3,080.67 and 1,288.13 is: 1,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.53 : 3,080.67 = 1,288.13 : x
  2. Step 2: Convert to fraction form
    2,232.53/3,080.67 = 1,288.13/x
  3. Step 3: Cross multiply
    2,232.53x = 3,080.67 × 1,288.13
  4. Step 4: Simplify right side
    2,232.53x = 3,968,303.45
  5. Step 5: Solve for x
    x = 3,968,303.45/2,232.53
  6. Step 6: Final answer
    x = 1,777.49

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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.