Home / 2,938.59-4,055.21-1,612.29

Finding the Fourth Proportional to 2,938.59, 4,055.21 and 1,612.29

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Solution

The fourth proportional to 2,938.59, 4,055.21 and 1,612.29 is: 2,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.59 : 4,055.21 = 1,612.29 : x
  2. Step 2: Convert to fraction form
    2,938.59/4,055.21 = 1,612.29/x
  3. Step 3: Cross multiply
    2,938.59x = 4,055.21 × 1,612.29
  4. Step 4: Simplify right side
    2,938.59x = 6,538,174.53
  5. Step 5: Solve for x
    x = 6,538,174.53/2,938.59
  6. Step 6: Final answer
    x = 2,224.94

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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.