Home / 3,036.40-4,190.42-1,710.22

Finding the Fourth Proportional to 3,036.40, 4,190.42 and 1,710.22

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Solution

The fourth proportional to 3,036.40, 4,190.42 and 1,710.22 is: 2,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.40 : 4,190.42 = 1,710.22 : x
  2. Step 2: Convert to fraction form
    3,036.40/4,190.42 = 1,710.22/x
  3. Step 3: Cross multiply
    3,036.40x = 4,190.42 × 1,710.22
  4. Step 4: Simplify right side
    3,036.40x = 7,166,540.09
  5. Step 5: Solve for x
    x = 7,166,540.09/3,036.40
  6. Step 6: Final answer
    x = 2,360.21

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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.