Home / 1,435.50-2,153.91-569.58

Finding the Fourth Proportional to 1,435.50, 2,153.91 and 569.58

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Solution

The fourth proportional to 1,435.50, 2,153.91 and 569.58 is: 854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.50 : 2,153.91 = 569.58 : x
  2. Step 2: Convert to fraction form
    1,435.50/2,153.91 = 569.58/x
  3. Step 3: Cross multiply
    1,435.50x = 2,153.91 × 569.58
  4. Step 4: Simplify right side
    1,435.50x = 1,226,824.06
  5. Step 5: Solve for x
    x = 1,226,824.06/1,435.50
  6. Step 6: Final answer
    x = 854.63

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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.