Home / 3,035.12-4,188.48-1,709

Finding the Fourth Proportional to 3,035.12, 4,188.48 and 1,709

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Solution

The fourth proportional to 3,035.12, 4,188.48 and 1,709 is: 2,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.12 : 4,188.48 = 1,709 : x
  2. Step 2: Convert to fraction form
    3,035.12/4,188.48 = 1,709/x
  3. Step 3: Cross multiply
    3,035.12x = 4,188.48 × 1,709
  4. Step 4: Simplify right side
    3,035.12x = 7,158,112.32
  5. Step 5: Solve for x
    x = 7,158,112.32/3,035.12
  6. Step 6: Final answer
    x = 2,358.43

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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.