Home / 1,388.03-2,081.10-566.07

Finding the Fourth Proportional to 1,388.03, 2,081.10 and 566.07

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Solution

The fourth proportional to 1,388.03, 2,081.10 and 566.07 is: 848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388.03 : 2,081.10 = 566.07 : x
  2. Step 2: Convert to fraction form
    1,388.03/2,081.10 = 566.07/x
  3. Step 3: Cross multiply
    1,388.03x = 2,081.10 × 566.07
  4. Step 4: Simplify right side
    1,388.03x = 1,178,048.28
  5. Step 5: Solve for x
    x = 1,178,048.28/1,388.03
  6. Step 6: Final answer
    x = 848.72

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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.