Home / 1,444.20-2,165.64-713.49

Finding the Fourth Proportional to 1,444.20, 2,165.64 and 713.49

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Solution

The fourth proportional to 1,444.20, 2,165.64 and 713.49 is: 1,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.20 : 2,165.64 = 713.49 : x
  2. Step 2: Convert to fraction form
    1,444.20/2,165.64 = 713.49/x
  3. Step 3: Cross multiply
    1,444.20x = 2,165.64 × 713.49
  4. Step 4: Simplify right side
    1,444.20x = 1,545,162.48
  5. Step 5: Solve for x
    x = 1,545,162.48/1,444.20
  6. Step 6: Final answer
    x = 1,069.91

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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.