Home / 1,995.46-2,987.50-1,585.18

Finding the Fourth Proportional to 1,995.46, 2,987.50 and 1,585.18

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Solution

The fourth proportional to 1,995.46, 2,987.50 and 1,585.18 is: 2,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.46 : 2,987.50 = 1,585.18 : x
  2. Step 2: Convert to fraction form
    1,995.46/2,987.50 = 1,585.18/x
  3. Step 3: Cross multiply
    1,995.46x = 2,987.50 × 1,585.18
  4. Step 4: Simplify right side
    1,995.46x = 4,735,725.25
  5. Step 5: Solve for x
    x = 4,735,725.25/1,995.46
  6. Step 6: Final answer
    x = 2,373.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.