Home / 2,021.24-3,031.93-560.50

Finding the Fourth Proportional to 2,021.24, 3,031.93 and 560.50

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Solution

The fourth proportional to 2,021.24, 3,031.93 and 560.50 is: 840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.24 : 3,031.93 = 560.50 : x
  2. Step 2: Convert to fraction form
    2,021.24/3,031.93 = 560.50/x
  3. Step 3: Cross multiply
    2,021.24x = 3,031.93 × 560.50
  4. Step 4: Simplify right side
    2,021.24x = 1,699,396.77
  5. Step 5: Solve for x
    x = 1,699,396.77/2,021.24
  6. Step 6: Final answer
    x = 840.77

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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.