Home / 3,399.51-5,117.18-2,898.39

Finding the Fourth Proportional to 3,399.51, 5,117.18 and 2,898.39

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Solution

The fourth proportional to 3,399.51, 5,117.18 and 2,898.39 is: 4,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.51 : 5,117.18 = 2,898.39 : x
  2. Step 2: Convert to fraction form
    3,399.51/5,117.18 = 2,898.39/x
  3. Step 3: Cross multiply
    3,399.51x = 5,117.18 × 2,898.39
  4. Step 4: Simplify right side
    3,399.51x = 14,831,590.59
  5. Step 5: Solve for x
    x = 14,831,590.59/3,399.51
  6. Step 6: Final answer
    x = 4,362.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.