Home / 3,035.40-4,188.68-1,709.06

Finding the Fourth Proportional to 3,035.40, 4,188.68 and 1,709.06

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Solution

The fourth proportional to 3,035.40, 4,188.68 and 1,709.06 is: 2,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.40 : 4,188.68 = 1,709.06 : x
  2. Step 2: Convert to fraction form
    3,035.40/4,188.68 = 1,709.06/x
  3. Step 3: Cross multiply
    3,035.40x = 4,188.68 × 1,709.06
  4. Step 4: Simplify right side
    3,035.40x = 7,158,705.44
  5. Step 5: Solve for x
    x = 7,158,705.44/3,035.40
  6. Step 6: Final answer
    x = 2,358.41

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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.