Home / 1,476.87-2,210.49-1,086.78

Finding the Fourth Proportional to 1,476.87, 2,210.49 and 1,086.78

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Solution

The fourth proportional to 1,476.87, 2,210.49 and 1,086.78 is: 1,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.87 : 2,210.49 = 1,086.78 : x
  2. Step 2: Convert to fraction form
    1,476.87/2,210.49 = 1,086.78/x
  3. Step 3: Cross multiply
    1,476.87x = 2,210.49 × 1,086.78
  4. Step 4: Simplify right side
    1,476.87x = 2,402,316.32
  5. Step 5: Solve for x
    x = 2,402,316.32/1,476.87
  6. Step 6: Final answer
    x = 1,626.63

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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.