Home / 1,461.25-2,190.72-844.26

Finding the Fourth Proportional to 1,461.25, 2,190.72 and 844.26

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Solution

The fourth proportional to 1,461.25, 2,190.72 and 844.26 is: 1,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.25 : 2,190.72 = 844.26 : x
  2. Step 2: Convert to fraction form
    1,461.25/2,190.72 = 844.26/x
  3. Step 3: Cross multiply
    1,461.25x = 2,190.72 × 844.26
  4. Step 4: Simplify right side
    1,461.25x = 1,849,537.27
  5. Step 5: Solve for x
    x = 1,849,537.27/1,461.25
  6. Step 6: Final answer
    x = 1,265.72

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1.5x scale

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.