Home / 2,846.08-3,927.61-1,587.22

Finding the Fourth Proportional to 2,846.08, 3,927.61 and 1,587.22

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Solution

The fourth proportional to 2,846.08, 3,927.61 and 1,587.22 is: 2,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.08 : 3,927.61 = 1,587.22 : x
  2. Step 2: Convert to fraction form
    2,846.08/3,927.61 = 1,587.22/x
  3. Step 3: Cross multiply
    2,846.08x = 3,927.61 × 1,587.22
  4. Step 4: Simplify right side
    2,846.08x = 6,233,981.14
  5. Step 5: Solve for x
    x = 6,233,981.14/2,846.08
  6. Step 6: Final answer
    x = 2,190.37

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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.