Home / 2,149.49-2,966.32-1,310.08

Finding the Fourth Proportional to 2,149.49, 2,966.32 and 1,310.08

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Solution

The fourth proportional to 2,149.49, 2,966.32 and 1,310.08 is: 1,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.49 : 2,966.32 = 1,310.08 : x
  2. Step 2: Convert to fraction form
    2,149.49/2,966.32 = 1,310.08/x
  3. Step 3: Cross multiply
    2,149.49x = 2,966.32 × 1,310.08
  4. Step 4: Simplify right side
    2,149.49x = 3,886,116.51
  5. Step 5: Solve for x
    x = 3,886,116.51/2,149.49
  6. Step 6: Final answer
    x = 1,807.92

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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.