Home / 3,368.68-4,646.58-2,660.30

Finding the Fourth Proportional to 3,368.68, 4,646.58 and 2,660.30

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Solution

The fourth proportional to 3,368.68, 4,646.58 and 2,660.30 is: 3,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.68 : 4,646.58 = 2,660.30 : x
  2. Step 2: Convert to fraction form
    3,368.68/4,646.58 = 2,660.30/x
  3. Step 3: Cross multiply
    3,368.68x = 4,646.58 × 2,660.30
  4. Step 4: Simplify right side
    3,368.68x = 12,361,296.77
  5. Step 5: Solve for x
    x = 12,361,296.77/3,368.68
  6. Step 6: Final answer
    x = 3,669.48

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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.