Home / 1,476.87-2,215.25-436.83

Finding the Fourth Proportional to 1,476.87, 2,215.25 and 436.83

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Solution

The fourth proportional to 1,476.87, 2,215.25 and 436.83 is: 655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.87 : 2,215.25 = 436.83 : x
  2. Step 2: Convert to fraction form
    1,476.87/2,215.25 = 436.83/x
  3. Step 3: Cross multiply
    1,476.87x = 2,215.25 × 436.83
  4. Step 4: Simplify right side
    1,476.87x = 967,678.80
  5. Step 5: Solve for x
    x = 967,678.80/1,476.87
  6. Step 6: Final answer
    x = 655.22

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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.