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Finding the Fourth Proportional to 1,435.48, 2,153.48 and 569.80

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Solution

The fourth proportional to 1,435.48, 2,153.48 and 569.80 is: 854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.48 : 2,153.48 = 569.80 : x
  2. Step 2: Convert to fraction form
    1,435.48/2,153.48 = 569.80/x
  3. Step 3: Cross multiply
    1,435.48x = 2,153.48 × 569.80
  4. Step 4: Simplify right side
    1,435.48x = 1,227,052.90
  5. Step 5: Solve for x
    x = 1,227,052.90/1,435.48
  6. Step 6: Final answer
    x = 854.80

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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.