Home / 3,488.01-5,231.39-1,407.93

Finding the Fourth Proportional to 3,488.01, 5,231.39 and 1,407.93

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Solution

The fourth proportional to 3,488.01, 5,231.39 and 1,407.93 is: 2,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.01 : 5,231.39 = 1,407.93 : x
  2. Step 2: Convert to fraction form
    3,488.01/5,231.39 = 1,407.93/x
  3. Step 3: Cross multiply
    3,488.01x = 5,231.39 × 1,407.93
  4. Step 4: Simplify right side
    3,488.01x = 7,365,423.88
  5. Step 5: Solve for x
    x = 7,365,423.88/3,488.01
  6. Step 6: Final answer
    x = 2,111.64

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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.