Home / 3,435.51-5,150.96-1,585.61

Finding the Fourth Proportional to 3,435.51, 5,150.96 and 1,585.61

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Solution

The fourth proportional to 3,435.51, 5,150.96 and 1,585.61 is: 2,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.51 : 5,150.96 = 1,585.61 : x
  2. Step 2: Convert to fraction form
    3,435.51/5,150.96 = 1,585.61/x
  3. Step 3: Cross multiply
    3,435.51x = 5,150.96 × 1,585.61
  4. Step 4: Simplify right side
    3,435.51x = 8,167,405.26
  5. Step 5: Solve for x
    x = 8,167,405.26/3,435.51
  6. Step 6: Final answer
    x = 2,377.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.