Home / 3,349.02-4,621.65-1,857

Finding the Fourth Proportional to 3,349.02, 4,621.65 and 1,857

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Solution

The fourth proportional to 3,349.02, 4,621.65 and 1,857 is: 2,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.02 : 4,621.65 = 1,857 : x
  2. Step 2: Convert to fraction form
    3,349.02/4,621.65 = 1,857/x
  3. Step 3: Cross multiply
    3,349.02x = 4,621.65 × 1,857
  4. Step 4: Simplify right side
    3,349.02x = 8,582,404.05
  5. Step 5: Solve for x
    x = 8,582,404.05/3,349.02
  6. Step 6: Final answer
    x = 2,562.66

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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.