Home / 2,618.36-3,612.87-1,570.44

Finding the Fourth Proportional to 2,618.36, 3,612.87 and 1,570.44

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Solution

The fourth proportional to 2,618.36, 3,612.87 and 1,570.44 is: 2,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.36 : 3,612.87 = 1,570.44 : x
  2. Step 2: Convert to fraction form
    2,618.36/3,612.87 = 1,570.44/x
  3. Step 3: Cross multiply
    2,618.36x = 3,612.87 × 1,570.44
  4. Step 4: Simplify right side
    2,618.36x = 5,673,795.56
  5. Step 5: Solve for x
    x = 5,673,795.56/2,618.36
  6. Step 6: Final answer
    x = 2,166.93

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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.