Home / 3,435.64-5,149.53-1,955.66

Finding the Fourth Proportional to 3,435.64, 5,149.53 and 1,955.66

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Solution

The fourth proportional to 3,435.64, 5,149.53 and 1,955.66 is: 2,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.64 : 5,149.53 = 1,955.66 : x
  2. Step 2: Convert to fraction form
    3,435.64/5,149.53 = 1,955.66/x
  3. Step 3: Cross multiply
    3,435.64x = 5,149.53 × 1,955.66
  4. Step 4: Simplify right side
    3,435.64x = 10,070,712.71
  5. Step 5: Solve for x
    x = 10,070,712.71/3,435.64
  6. Step 6: Final answer
    x = 2,931.25

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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.