Home / 2,848.95-3,931.24-1,669.80

Finding the Fourth Proportional to 2,848.95, 3,931.24 and 1,669.80

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Solution

The fourth proportional to 2,848.95, 3,931.24 and 1,669.80 is: 2,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.95 : 3,931.24 = 1,669.80 : x
  2. Step 2: Convert to fraction form
    2,848.95/3,931.24 = 1,669.80/x
  3. Step 3: Cross multiply
    2,848.95x = 3,931.24 × 1,669.80
  4. Step 4: Simplify right side
    2,848.95x = 6,564,384.55
  5. Step 5: Solve for x
    x = 6,564,384.55/2,848.95
  6. Step 6: Final answer
    x = 2,304.14

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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.