Home / 2,803.40-4,205.01-1,159.46

Finding the Fourth Proportional to 2,803.40, 4,205.01 and 1,159.46

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Solution

The fourth proportional to 2,803.40, 4,205.01 and 1,159.46 is: 1,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.40 : 4,205.01 = 1,159.46 : x
  2. Step 2: Convert to fraction form
    2,803.40/4,205.01 = 1,159.46/x
  3. Step 3: Cross multiply
    2,803.40x = 4,205.01 × 1,159.46
  4. Step 4: Simplify right side
    2,803.40x = 4,875,540.89
  5. Step 5: Solve for x
    x = 4,875,540.89/2,803.40
  6. Step 6: Final answer
    x = 1,739.15

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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.