Home / 3,348.75-4,621.55-1,857.15

Finding the Fourth Proportional to 3,348.75, 4,621.55 and 1,857.15

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Solution

The fourth proportional to 3,348.75, 4,621.55 and 1,857.15 is: 2,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.75 : 4,621.55 = 1,857.15 : x
  2. Step 2: Convert to fraction form
    3,348.75/4,621.55 = 1,857.15/x
  3. Step 3: Cross multiply
    3,348.75x = 4,621.55 × 1,857.15
  4. Step 4: Simplify right side
    3,348.75x = 8,582,895.19
  5. Step 5: Solve for x
    x = 8,582,895.19/3,348.75
  6. Step 6: Final answer
    x = 2,563.02

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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.