Home / 3,035.10-4,188.34-1,708.80

Finding the Fourth Proportional to 3,035.10, 4,188.34 and 1,708.80

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Solution

The fourth proportional to 3,035.10, 4,188.34 and 1,708.80 is: 2,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.10 : 4,188.34 = 1,708.80 : x
  2. Step 2: Convert to fraction form
    3,035.10/4,188.34 = 1,708.80/x
  3. Step 3: Cross multiply
    3,035.10x = 4,188.34 × 1,708.80
  4. Step 4: Simplify right side
    3,035.10x = 7,157,021.82
  5. Step 5: Solve for x
    x = 7,157,021.82/3,035.10
  6. Step 6: Final answer
    x = 2,358.08

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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.