Home / 3,280.64-4,525.68-1,953.92

Finding the Fourth Proportional to 3,280.64, 4,525.68 and 1,953.92

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Solution

The fourth proportional to 3,280.64, 4,525.68 and 1,953.92 is: 2,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.64 : 4,525.68 = 1,953.92 : x
  2. Step 2: Convert to fraction form
    3,280.64/4,525.68 = 1,953.92/x
  3. Step 3: Cross multiply
    3,280.64x = 4,525.68 × 1,953.92
  4. Step 4: Simplify right side
    3,280.64x = 8,842,816.67
  5. Step 5: Solve for x
    x = 8,842,816.67/3,280.64
  6. Step 6: Final answer
    x = 2,695.45

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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.