Home / 3,035.26-4,188.47-1,840.51

Finding the Fourth Proportional to 3,035.26, 4,188.47 and 1,840.51

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Solution

The fourth proportional to 3,035.26, 4,188.47 and 1,840.51 is: 2,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.26 : 4,188.47 = 1,840.51 : x
  2. Step 2: Convert to fraction form
    3,035.26/4,188.47 = 1,840.51/x
  3. Step 3: Cross multiply
    3,035.26x = 4,188.47 × 1,840.51
  4. Step 4: Simplify right side
    3,035.26x = 7,708,901.25
  5. Step 5: Solve for x
    x = 7,708,901.25/3,035.26
  6. Step 6: Final answer
    x = 2,539.78

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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.