Home / 1,015.24-1,529.77-836.62

Finding the Fourth Proportional to 1,015.24, 1,529.77 and 836.62

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Solution

The fourth proportional to 1,015.24, 1,529.77 and 836.62 is: 1,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.24 : 1,529.77 = 836.62 : x
  2. Step 2: Convert to fraction form
    1,015.24/1,529.77 = 836.62/x
  3. Step 3: Cross multiply
    1,015.24x = 1,529.77 × 836.62
  4. Step 4: Simplify right side
    1,015.24x = 1,279,836.18
  5. Step 5: Solve for x
    x = 1,279,836.18/1,015.24
  6. Step 6: Final answer
    x = 1,260.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.