Home / 2,095.19-2,891.76-1,387.04

Finding the Fourth Proportional to 2,095.19, 2,891.76 and 1,387.04

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Solution

The fourth proportional to 2,095.19, 2,891.76 and 1,387.04 is: 1,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.19 : 2,891.76 = 1,387.04 : x
  2. Step 2: Convert to fraction form
    2,095.19/2,891.76 = 1,387.04/x
  3. Step 3: Cross multiply
    2,095.19x = 2,891.76 × 1,387.04
  4. Step 4: Simplify right side
    2,095.19x = 4,010,986.79
  5. Step 5: Solve for x
    x = 4,010,986.79/2,095.19
  6. Step 6: Final answer
    x = 1,914.38

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Double scale
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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.