Home / 1,560.24-2,341.26-1,121.01

Finding the Fourth Proportional to 1,560.24, 2,341.26 and 1,121.01

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Solution

The fourth proportional to 1,560.24, 2,341.26 and 1,121.01 is: 1,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.24 : 2,341.26 = 1,121.01 : x
  2. Step 2: Convert to fraction form
    1,560.24/2,341.26 = 1,121.01/x
  3. Step 3: Cross multiply
    1,560.24x = 2,341.26 × 1,121.01
  4. Step 4: Simplify right side
    1,560.24x = 2,624,575.87
  5. Step 5: Solve for x
    x = 2,624,575.87/1,560.24
  6. Step 6: Final answer
    x = 1,682.16

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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.