Home / 2,020.93-3,031.40-560.10

Finding the Fourth Proportional to 2,020.93, 3,031.40 and 560.10

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Solution

The fourth proportional to 2,020.93, 3,031.40 and 560.10 is: 840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.93 : 3,031.40 = 560.10 : x
  2. Step 2: Convert to fraction form
    2,020.93/3,031.40 = 560.10/x
  3. Step 3: Cross multiply
    2,020.93x = 3,031.40 × 560.10
  4. Step 4: Simplify right side
    2,020.93x = 1,697,887.14
  5. Step 5: Solve for x
    x = 1,697,887.14/2,020.93
  6. Step 6: Final answer
    x = 840.15

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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.