Home / 1,225.07-1,837.64-403.32

Finding the Fourth Proportional to 1,225.07, 1,837.64 and 403.32

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Solution

The fourth proportional to 1,225.07, 1,837.64 and 403.32 is: 604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.07 : 1,837.64 = 403.32 : x
  2. Step 2: Convert to fraction form
    1,225.07/1,837.64 = 403.32/x
  3. Step 3: Cross multiply
    1,225.07x = 1,837.64 × 403.32
  4. Step 4: Simplify right side
    1,225.07x = 741,154.95
  5. Step 5: Solve for x
    x = 741,154.95/1,225.07
  6. Step 6: Final answer
    x = 604.99

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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.