Home / 2,318.99-3,479.61-1,020.29

Finding the Fourth Proportional to 2,318.99, 3,479.61 and 1,020.29

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Solution

The fourth proportional to 2,318.99, 3,479.61 and 1,020.29 is: 1,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.99 : 3,479.61 = 1,020.29 : x
  2. Step 2: Convert to fraction form
    2,318.99/3,479.61 = 1,020.29/x
  3. Step 3: Cross multiply
    2,318.99x = 3,479.61 × 1,020.29
  4. Step 4: Simplify right side
    2,318.99x = 3,550,211.29
  5. Step 5: Solve for x
    x = 3,550,211.29/2,318.99
  6. Step 6: Final answer
    x = 1,530.93

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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.