Home / 2,848.76-3,931.92-1,800.62

Finding the Fourth Proportional to 2,848.76, 3,931.92 and 1,800.62

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Solution

The fourth proportional to 2,848.76, 3,931.92 and 1,800.62 is: 2,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.76 : 3,931.92 = 1,800.62 : x
  2. Step 2: Convert to fraction form
    2,848.76/3,931.92 = 1,800.62/x
  3. Step 3: Cross multiply
    2,848.76x = 3,931.92 × 1,800.62
  4. Step 4: Simplify right side
    2,848.76x = 7,079,893.79
  5. Step 5: Solve for x
    x = 7,079,893.79/2,848.76
  6. Step 6: Final answer
    x = 2,485.25

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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.