Home / 2,503.32-3,453.93-1,705.20

Finding the Fourth Proportional to 2,503.32, 3,453.93 and 1,705.20

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Solution

The fourth proportional to 2,503.32, 3,453.93 and 1,705.20 is: 2,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.32 : 3,453.93 = 1,705.20 : x
  2. Step 2: Convert to fraction form
    2,503.32/3,453.93 = 1,705.20/x
  3. Step 3: Cross multiply
    2,503.32x = 3,453.93 × 1,705.20
  4. Step 4: Simplify right side
    2,503.32x = 5,889,641.44
  5. Step 5: Solve for x
    x = 5,889,641.44/2,503.32
  6. Step 6: Final answer
    x = 2,352.73

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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.