Home / 2,021.16-3,031.80-560.37

Finding the Fourth Proportional to 2,021.16, 3,031.80 and 560.37

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Solution

The fourth proportional to 2,021.16, 3,031.80 and 560.37 is: 840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.16 : 3,031.80 = 560.37 : x
  2. Step 2: Convert to fraction form
    2,021.16/3,031.80 = 560.37/x
  3. Step 3: Cross multiply
    2,021.16x = 3,031.80 × 560.37
  4. Step 4: Simplify right side
    2,021.16x = 1,698,929.77
  5. Step 5: Solve for x
    x = 1,698,929.77/2,021.16
  6. Step 6: Final answer
    x = 840.57

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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.