Home / 1,476.07-2,211.12-890.74

Finding the Fourth Proportional to 1,476.07, 2,211.12 and 890.74

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Solution

The fourth proportional to 1,476.07, 2,211.12 and 890.74 is: 1,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.07 : 2,211.12 = 890.74 : x
  2. Step 2: Convert to fraction form
    1,476.07/2,211.12 = 890.74/x
  3. Step 3: Cross multiply
    1,476.07x = 2,211.12 × 890.74
  4. Step 4: Simplify right side
    1,476.07x = 1,969,533.03
  5. Step 5: Solve for x
    x = 1,969,533.03/1,476.07
  6. Step 6: Final answer
    x = 1,334.31

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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.