Home / 2,808.86-4,211.30-1,248.01

Finding the Fourth Proportional to 2,808.86, 4,211.30 and 1,248.01

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Solution

The fourth proportional to 2,808.86, 4,211.30 and 1,248.01 is: 1,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.86 : 4,211.30 = 1,248.01 : x
  2. Step 2: Convert to fraction form
    2,808.86/4,211.30 = 1,248.01/x
  3. Step 3: Cross multiply
    2,808.86x = 4,211.30 × 1,248.01
  4. Step 4: Simplify right side
    2,808.86x = 5,255,744.51
  5. Step 5: Solve for x
    x = 5,255,744.51/2,808.86
  6. Step 6: Final answer
    x = 1,871.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.