Home / 1,623.56-2,241.06-1,126.86

Finding the Fourth Proportional to 1,623.56, 2,241.06 and 1,126.86

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Solution

The fourth proportional to 1,623.56, 2,241.06 and 1,126.86 is: 1,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.56 : 2,241.06 = 1,126.86 : x
  2. Step 2: Convert to fraction form
    1,623.56/2,241.06 = 1,126.86/x
  3. Step 3: Cross multiply
    1,623.56x = 2,241.06 × 1,126.86
  4. Step 4: Simplify right side
    1,623.56x = 2,525,360.87
  5. Step 5: Solve for x
    x = 2,525,360.87/1,623.56
  6. Step 6: Final answer
    x = 1,555.45

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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.