Home / 2,848.68-3,931.08-1,669.92

Finding the Fourth Proportional to 2,848.68, 3,931.08 and 1,669.92

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Solution

The fourth proportional to 2,848.68, 3,931.08 and 1,669.92 is: 2,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.68 : 3,931.08 = 1,669.92 : x
  2. Step 2: Convert to fraction form
    2,848.68/3,931.08 = 1,669.92/x
  3. Step 3: Cross multiply
    2,848.68x = 3,931.08 × 1,669.92
  4. Step 4: Simplify right side
    2,848.68x = 6,564,589.11
  5. Step 5: Solve for x
    x = 6,564,589.11/2,848.68
  6. Step 6: Final answer
    x = 2,304.43

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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.