Home / 1,556.01-2,320.45-1,469.75

Finding the Fourth Proportional to 1,556.01, 2,320.45 and 1,469.75

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Solution

The fourth proportional to 1,556.01, 2,320.45 and 1,469.75 is: 2,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.01 : 2,320.45 = 1,469.75 : x
  2. Step 2: Convert to fraction form
    1,556.01/2,320.45 = 1,469.75/x
  3. Step 3: Cross multiply
    1,556.01x = 2,320.45 × 1,469.75
  4. Step 4: Simplify right side
    1,556.01x = 3,410,466.11
  5. Step 5: Solve for x
    x = 3,410,466.11/1,556.01
  6. Step 6: Final answer
    x = 2,191.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.