Home / 2,059.24-3,088.70-520.20

Finding the Fourth Proportional to 2,059.24, 3,088.70 and 520.20

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Solution

The fourth proportional to 2,059.24, 3,088.70 and 520.20 is: 780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.24 : 3,088.70 = 520.20 : x
  2. Step 2: Convert to fraction form
    2,059.24/3,088.70 = 520.20/x
  3. Step 3: Cross multiply
    2,059.24x = 3,088.70 × 520.20
  4. Step 4: Simplify right side
    2,059.24x = 1,606,741.74
  5. Step 5: Solve for x
    x = 1,606,741.74/2,059.24
  6. Step 6: Final answer
    x = 780.26

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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.