Home / 2,853.70-4,277.63-1,929.35

Finding the Fourth Proportional to 2,853.70, 4,277.63 and 1,929.35

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Solution

The fourth proportional to 2,853.70, 4,277.63 and 1,929.35 is: 2,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.70 : 4,277.63 = 1,929.35 : x
  2. Step 2: Convert to fraction form
    2,853.70/4,277.63 = 1,929.35/x
  3. Step 3: Cross multiply
    2,853.70x = 4,277.63 × 1,929.35
  4. Step 4: Simplify right side
    2,853.70x = 8,253,060.96
  5. Step 5: Solve for x
    x = 8,253,060.96/2,853.70
  6. Step 6: Final answer
    x = 2,892.06

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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.