Home / 2,243.10-3,095.65-1,299.15

Finding the Fourth Proportional to 2,243.10, 3,095.65 and 1,299.15

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Solution

The fourth proportional to 2,243.10, 3,095.65 and 1,299.15 is: 1,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.10 : 3,095.65 = 1,299.15 : x
  2. Step 2: Convert to fraction form
    2,243.10/3,095.65 = 1,299.15/x
  3. Step 3: Cross multiply
    2,243.10x = 3,095.65 × 1,299.15
  4. Step 4: Simplify right side
    2,243.10x = 4,021,715.32
  5. Step 5: Solve for x
    x = 4,021,715.32/2,243.10
  6. Step 6: Final answer
    x = 1,792.92

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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.