Home / 2,232.02-3,080.76-1,393.40

Finding the Fourth Proportional to 2,232.02, 3,080.76 and 1,393.40

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Solution

The fourth proportional to 2,232.02, 3,080.76 and 1,393.40 is: 1,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.02 : 3,080.76 = 1,393.40 : x
  2. Step 2: Convert to fraction form
    2,232.02/3,080.76 = 1,393.40/x
  3. Step 3: Cross multiply
    2,232.02x = 3,080.76 × 1,393.40
  4. Step 4: Simplify right side
    2,232.02x = 4,292,730.98
  5. Step 5: Solve for x
    x = 4,292,730.98/2,232.02
  6. Step 6: Final answer
    x = 1,923.25

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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.