Home / 3,180.17-4,388.50-1,853.93

Finding the Fourth Proportional to 3,180.17, 4,388.50 and 1,853.93

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Solution

The fourth proportional to 3,180.17, 4,388.50 and 1,853.93 is: 2,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.17 : 4,388.50 = 1,853.93 : x
  2. Step 2: Convert to fraction form
    3,180.17/4,388.50 = 1,853.93/x
  3. Step 3: Cross multiply
    3,180.17x = 4,388.50 × 1,853.93
  4. Step 4: Simplify right side
    3,180.17x = 8,135,971.81
  5. Step 5: Solve for x
    x = 8,135,971.81/3,180.17
  6. Step 6: Final answer
    x = 2,558.34

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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.