Home / 2,534.45-3,499.27-1,640.35

Finding the Fourth Proportional to 2,534.45, 3,499.27 and 1,640.35

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Solution

The fourth proportional to 2,534.45, 3,499.27 and 1,640.35 is: 2,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.45 : 3,499.27 = 1,640.35 : x
  2. Step 2: Convert to fraction form
    2,534.45/3,499.27 = 1,640.35/x
  3. Step 3: Cross multiply
    2,534.45x = 3,499.27 × 1,640.35
  4. Step 4: Simplify right side
    2,534.45x = 5,740,014.70
  5. Step 5: Solve for x
    x = 5,740,014.70/2,534.45
  6. Step 6: Final answer
    x = 2,264.79

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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.