Home / 3,419.47-5,125.99-1,857.18

Finding the Fourth Proportional to 3,419.47, 5,125.99 and 1,857.18

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Solution

The fourth proportional to 3,419.47, 5,125.99 and 1,857.18 is: 2,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.47 : 5,125.99 = 1,857.18 : x
  2. Step 2: Convert to fraction form
    3,419.47/5,125.99 = 1,857.18/x
  3. Step 3: Cross multiply
    3,419.47x = 5,125.99 × 1,857.18
  4. Step 4: Simplify right side
    3,419.47x = 9,519,886.11
  5. Step 5: Solve for x
    x = 9,519,886.11/3,419.47
  6. Step 6: Final answer
    x = 2,784.02

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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.