Home / 3,035.25-4,189.40-1,857.32

Finding the Fourth Proportional to 3,035.25, 4,189.40 and 1,857.32

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Solution

The fourth proportional to 3,035.25, 4,189.40 and 1,857.32 is: 2,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.25 : 4,189.40 = 1,857.32 : x
  2. Step 2: Convert to fraction form
    3,035.25/4,189.40 = 1,857.32/x
  3. Step 3: Cross multiply
    3,035.25x = 4,189.40 × 1,857.32
  4. Step 4: Simplify right side
    3,035.25x = 7,781,026.17
  5. Step 5: Solve for x
    x = 7,781,026.17/3,035.25
  6. Step 6: Final answer
    x = 2,563.55

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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.