Home / 1,476.27-2,214.99-860.25

Finding the Fourth Proportional to 1,476.27, 2,214.99 and 860.25

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Solution

The fourth proportional to 1,476.27, 2,214.99 and 860.25 is: 1,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.27 : 2,214.99 = 860.25 : x
  2. Step 2: Convert to fraction form
    1,476.27/2,214.99 = 860.25/x
  3. Step 3: Cross multiply
    1,476.27x = 2,214.99 × 860.25
  4. Step 4: Simplify right side
    1,476.27x = 1,905,445.15
  5. Step 5: Solve for x
    x = 1,905,445.15/1,476.27
  6. Step 6: Final answer
    x = 1,290.72

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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.