Home / 3,035.36-4,188.75-1,709.19

Finding the Fourth Proportional to 3,035.36, 4,188.75 and 1,709.19

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Solution

The fourth proportional to 3,035.36, 4,188.75 and 1,709.19 is: 2,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.36 : 4,188.75 = 1,709.19 : x
  2. Step 2: Convert to fraction form
    3,035.36/4,188.75 = 1,709.19/x
  3. Step 3: Cross multiply
    3,035.36x = 4,188.75 × 1,709.19
  4. Step 4: Simplify right side
    3,035.36x = 7,159,369.61
  5. Step 5: Solve for x
    x = 7,159,369.61/3,035.36
  6. Step 6: Final answer
    x = 2,358.66

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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.