Home / 2,867.30-3,955.40-1,873.16

Finding the Fourth Proportional to 2,867.30, 3,955.40 and 1,873.16

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Solution

The fourth proportional to 2,867.30, 3,955.40 and 1,873.16 is: 2,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.30 : 3,955.40 = 1,873.16 : x
  2. Step 2: Convert to fraction form
    2,867.30/3,955.40 = 1,873.16/x
  3. Step 3: Cross multiply
    2,867.30x = 3,955.40 × 1,873.16
  4. Step 4: Simplify right side
    2,867.30x = 7,409,097.06
  5. Step 5: Solve for x
    x = 7,409,097.06/2,867.30
  6. Step 6: Final answer
    x = 2,584.00

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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.