Home / 1,872.48-2,583.90-1,126.30

Finding the Fourth Proportional to 1,872.48, 2,583.90 and 1,126.30

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Solution

The fourth proportional to 1,872.48, 2,583.90 and 1,126.30 is: 1,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.48 : 2,583.90 = 1,126.30 : x
  2. Step 2: Convert to fraction form
    1,872.48/2,583.90 = 1,126.30/x
  3. Step 3: Cross multiply
    1,872.48x = 2,583.90 × 1,126.30
  4. Step 4: Simplify right side
    1,872.48x = 2,910,246.57
  5. Step 5: Solve for x
    x = 2,910,246.57/1,872.48
  6. Step 6: Final answer
    x = 1,554.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.