Home / 1,569.70-2,354.81-529.80

Finding the Fourth Proportional to 1,569.70, 2,354.81 and 529.80

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Solution

The fourth proportional to 1,569.70, 2,354.81 and 529.80 is: 794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.70 : 2,354.81 = 529.80 : x
  2. Step 2: Convert to fraction form
    1,569.70/2,354.81 = 529.80/x
  3. Step 3: Cross multiply
    1,569.70x = 2,354.81 × 529.80
  4. Step 4: Simplify right side
    1,569.70x = 1,247,578.34
  5. Step 5: Solve for x
    x = 1,247,578.34/1,569.70
  6. Step 6: Final answer
    x = 794.79

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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.