Home / 2,848.37-4,272.55-1,387.13

Finding the Fourth Proportional to 2,848.37, 4,272.55 and 1,387.13

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Solution

The fourth proportional to 2,848.37, 4,272.55 and 1,387.13 is: 2,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.37 : 4,272.55 = 1,387.13 : x
  2. Step 2: Convert to fraction form
    2,848.37/4,272.55 = 1,387.13/x
  3. Step 3: Cross multiply
    2,848.37x = 4,272.55 × 1,387.13
  4. Step 4: Simplify right side
    2,848.37x = 5,926,557.45
  5. Step 5: Solve for x
    x = 5,926,557.45/2,848.37
  6. Step 6: Final answer
    x = 2,080.69

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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.