Home / 2,270.32-3,133.20-1,339.36

Finding the Fourth Proportional to 2,270.32, 3,133.20 and 1,339.36

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Solution

The fourth proportional to 2,270.32, 3,133.20 and 1,339.36 is: 1,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.32 : 3,133.20 = 1,339.36 : x
  2. Step 2: Convert to fraction form
    2,270.32/3,133.20 = 1,339.36/x
  3. Step 3: Cross multiply
    2,270.32x = 3,133.20 × 1,339.36
  4. Step 4: Simplify right side
    2,270.32x = 4,196,482.75
  5. Step 5: Solve for x
    x = 4,196,482.75/2,270.32
  6. Step 6: Final answer
    x = 1,848.41

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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.