Home / 2,094.48-3,142.08-1,272.96

Finding the Fourth Proportional to 2,094.48, 3,142.08 and 1,272.96

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Solution

The fourth proportional to 2,094.48, 3,142.08 and 1,272.96 is: 1,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.48 : 3,142.08 = 1,272.96 : x
  2. Step 2: Convert to fraction form
    2,094.48/3,142.08 = 1,272.96/x
  3. Step 3: Cross multiply
    2,094.48x = 3,142.08 × 1,272.96
  4. Step 4: Simplify right side
    2,094.48x = 3,999,742.16
  5. Step 5: Solve for x
    x = 3,999,742.16/2,094.48
  6. Step 6: Final answer
    x = 1,909.66

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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.