Home / 2,846.10-3,927.58-1,587.20

Finding the Fourth Proportional to 2,846.10, 3,927.58 and 1,587.20

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Solution

The fourth proportional to 2,846.10, 3,927.58 and 1,587.20 is: 2,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.10 : 3,927.58 = 1,587.20 : x
  2. Step 2: Convert to fraction form
    2,846.10/3,927.58 = 1,587.20/x
  3. Step 3: Cross multiply
    2,846.10x = 3,927.58 × 1,587.20
  4. Step 4: Simplify right side
    2,846.10x = 6,233,854.98
  5. Step 5: Solve for x
    x = 6,233,854.98/2,846.10
  6. Step 6: Final answer
    x = 2,190.31

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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.