Home / 3,437.13-5,155.05-1,680.36

Finding the Fourth Proportional to 3,437.13, 5,155.05 and 1,680.36

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Solution

The fourth proportional to 3,437.13, 5,155.05 and 1,680.36 is: 2,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.13 : 5,155.05 = 1,680.36 : x
  2. Step 2: Convert to fraction form
    3,437.13/5,155.05 = 1,680.36/x
  3. Step 3: Cross multiply
    3,437.13x = 5,155.05 × 1,680.36
  4. Step 4: Simplify right side
    3,437.13x = 8,662,339.82
  5. Step 5: Solve for x
    x = 8,662,339.82/3,437.13
  6. Step 6: Final answer
    x = 2,520.22

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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.