Home / 2,842.35-4,261.53-1,087.28

Finding the Fourth Proportional to 2,842.35, 4,261.53 and 1,087.28

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Solution

The fourth proportional to 2,842.35, 4,261.53 and 1,087.28 is: 1,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.35 : 4,261.53 = 1,087.28 : x
  2. Step 2: Convert to fraction form
    2,842.35/4,261.53 = 1,087.28/x
  3. Step 3: Cross multiply
    2,842.35x = 4,261.53 × 1,087.28
  4. Step 4: Simplify right side
    2,842.35x = 4,633,476.34
  5. Step 5: Solve for x
    x = 4,633,476.34/2,842.35
  6. Step 6: Final answer
    x = 1,630.16

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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.