Home / 3,394.16-5,089.63-1,315.14

Finding the Fourth Proportional to 3,394.16, 5,089.63 and 1,315.14

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Solution

The fourth proportional to 3,394.16, 5,089.63 and 1,315.14 is: 1,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.16 : 5,089.63 = 1,315.14 : x
  2. Step 2: Convert to fraction form
    3,394.16/5,089.63 = 1,315.14/x
  3. Step 3: Cross multiply
    3,394.16x = 5,089.63 × 1,315.14
  4. Step 4: Simplify right side
    3,394.16x = 6,693,543.97
  5. Step 5: Solve for x
    x = 6,693,543.97/3,394.16
  6. Step 6: Final answer
    x = 1,972.08

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1.5x scale

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.