Home / 2,852.16-4,278.32-1,392.48

Finding the Fourth Proportional to 2,852.16, 4,278.32 and 1,392.48

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Solution

The fourth proportional to 2,852.16, 4,278.32 and 1,392.48 is: 2,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.16 : 4,278.32 = 1,392.48 : x
  2. Step 2: Convert to fraction form
    2,852.16/4,278.32 = 1,392.48/x
  3. Step 3: Cross multiply
    2,852.16x = 4,278.32 × 1,392.48
  4. Step 4: Simplify right side
    2,852.16x = 5,957,475.03
  5. Step 5: Solve for x
    x = 5,957,475.03/2,852.16
  6. Step 6: Final answer
    x = 2,088.76

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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.