Home / 1,546.80-2,134.56-848.20

Finding the Fourth Proportional to 1,546.80, 2,134.56 and 848.20

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Solution

The fourth proportional to 1,546.80, 2,134.56 and 848.20 is: 1,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.80 : 2,134.56 = 848.20 : x
  2. Step 2: Convert to fraction form
    1,546.80/2,134.56 = 848.20/x
  3. Step 3: Cross multiply
    1,546.80x = 2,134.56 × 848.20
  4. Step 4: Simplify right side
    1,546.80x = 1,810,533.79
  5. Step 5: Solve for x
    x = 1,810,533.79/1,546.80
  6. Step 6: Final answer
    x = 1,170.50

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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.