Home / 2,084.82-2,875.64-1,299.24

Finding the Fourth Proportional to 2,084.82, 2,875.64 and 1,299.24

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Solution

The fourth proportional to 2,084.82, 2,875.64 and 1,299.24 is: 1,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.82 : 2,875.64 = 1,299.24 : x
  2. Step 2: Convert to fraction form
    2,084.82/2,875.64 = 1,299.24/x
  3. Step 3: Cross multiply
    2,084.82x = 2,875.64 × 1,299.24
  4. Step 4: Simplify right side
    2,084.82x = 3,736,146.51
  5. Step 5: Solve for x
    x = 3,736,146.51/2,084.82
  6. Step 6: Final answer
    x = 1,792.07

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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.