Home / 1,084.18-1,625.32-435.36

Finding the Fourth Proportional to 1,084.18, 1,625.32 and 435.36

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Solution

The fourth proportional to 1,084.18, 1,625.32 and 435.36 is: 652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.18 : 1,625.32 = 435.36 : x
  2. Step 2: Convert to fraction form
    1,084.18/1,625.32 = 435.36/x
  3. Step 3: Cross multiply
    1,084.18x = 1,625.32 × 435.36
  4. Step 4: Simplify right side
    1,084.18x = 707,599.32
  5. Step 5: Solve for x
    x = 707,599.32/1,084.18
  6. Step 6: Final answer
    x = 652.66

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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.