Home / 3,348.96-4,621.85-1,857.35

Finding the Fourth Proportional to 3,348.96, 4,621.85 and 1,857.35

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Solution

The fourth proportional to 3,348.96, 4,621.85 and 1,857.35 is: 2,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.96 : 4,621.85 = 1,857.35 : x
  2. Step 2: Convert to fraction form
    3,348.96/4,621.85 = 1,857.35/x
  3. Step 3: Cross multiply
    3,348.96x = 4,621.85 × 1,857.35
  4. Step 4: Simplify right side
    3,348.96x = 8,584,360.70
  5. Step 5: Solve for x
    x = 8,584,360.70/3,348.96
  6. Step 6: Final answer
    x = 2,563.29

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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.