Home / 1,553.44-2,144.28-1,507.36

Finding the Fourth Proportional to 1,553.44, 2,144.28 and 1,507.36

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Solution

The fourth proportional to 1,553.44, 2,144.28 and 1,507.36 is: 2,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.44 : 2,144.28 = 1,507.36 : x
  2. Step 2: Convert to fraction form
    1,553.44/2,144.28 = 1,507.36/x
  3. Step 3: Cross multiply
    1,553.44x = 2,144.28 × 1,507.36
  4. Step 4: Simplify right side
    1,553.44x = 3,232,201.90
  5. Step 5: Solve for x
    x = 3,232,201.90/1,553.44
  6. Step 6: Final answer
    x = 2,080.67

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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.