Home / 1,435.12-2,152.68-569.44

Finding the Fourth Proportional to 1,435.12, 2,152.68 and 569.44

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Solution

The fourth proportional to 1,435.12, 2,152.68 and 569.44 is: 854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.12 : 2,152.68 = 569.44 : x
  2. Step 2: Convert to fraction form
    1,435.12/2,152.68 = 569.44/x
  3. Step 3: Cross multiply
    1,435.12x = 2,152.68 × 569.44
  4. Step 4: Simplify right side
    1,435.12x = 1,225,822.10
  5. Step 5: Solve for x
    x = 1,225,822.10/1,435.12
  6. Step 6: Final answer
    x = 854.16

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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.