Home / 3,218.60-4,828.44-1,574.93

Finding the Fourth Proportional to 3,218.60, 4,828.44 and 1,574.93

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Solution

The fourth proportional to 3,218.60, 4,828.44 and 1,574.93 is: 2,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.60 : 4,828.44 = 1,574.93 : x
  2. Step 2: Convert to fraction form
    3,218.60/4,828.44 = 1,574.93/x
  3. Step 3: Cross multiply
    3,218.60x = 4,828.44 × 1,574.93
  4. Step 4: Simplify right side
    3,218.60x = 7,604,455.01
  5. Step 5: Solve for x
    x = 7,604,455.01/3,218.60
  6. Step 6: Final answer
    x = 2,362.66

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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.