Home / 2,149.02-2,966.58-1,310.00

Finding the Fourth Proportional to 2,149.02, 2,966.58 and 1,310.00

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Solution

The fourth proportional to 2,149.02, 2,966.58 and 1,310.00 is: 1,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.02 : 2,966.58 = 1,310.00 : x
  2. Step 2: Convert to fraction form
    2,149.02/2,966.58 = 1,310.00/x
  3. Step 3: Cross multiply
    2,149.02x = 2,966.58 × 1,310.00
  4. Step 4: Simplify right side
    2,149.02x = 3,886,204.97
  5. Step 5: Solve for x
    x = 3,886,204.97/2,149.02
  6. Step 6: Final answer
    x = 1,808.36

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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.