Home / 2,653.08-3,660.28-1,604.76

Finding the Fourth Proportional to 2,653.08, 3,660.28 and 1,604.76

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Solution

The fourth proportional to 2,653.08, 3,660.28 and 1,604.76 is: 2,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.08 : 3,660.28 = 1,604.76 : x
  2. Step 2: Convert to fraction form
    2,653.08/3,660.28 = 1,604.76/x
  3. Step 3: Cross multiply
    2,653.08x = 3,660.28 × 1,604.76
  4. Step 4: Simplify right side
    2,653.08x = 5,873,870.93
  5. Step 5: Solve for x
    x = 5,873,870.93/2,653.08
  6. Step 6: Final answer
    x = 2,213.98

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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.