Home / 3,462.50-4,777.86-1,970.34

Finding the Fourth Proportional to 3,462.50, 4,777.86 and 1,970.34

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Solution

The fourth proportional to 3,462.50, 4,777.86 and 1,970.34 is: 2,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.50 : 4,777.86 = 1,970.34 : x
  2. Step 2: Convert to fraction form
    3,462.50/4,777.86 = 1,970.34/x
  3. Step 3: Cross multiply
    3,462.50x = 4,777.86 × 1,970.34
  4. Step 4: Simplify right side
    3,462.50x = 9,414,008.67
  5. Step 5: Solve for x
    x = 9,414,008.67/3,462.50
  6. Step 6: Final answer
    x = 2,718.85

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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.