Home / 2,137.48-3,202.98-1,587.10

Finding the Fourth Proportional to 2,137.48, 3,202.98 and 1,587.10

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Solution

The fourth proportional to 2,137.48, 3,202.98 and 1,587.10 is: 2,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.48 : 3,202.98 = 1,587.10 : x
  2. Step 2: Convert to fraction form
    2,137.48/3,202.98 = 1,587.10/x
  3. Step 3: Cross multiply
    2,137.48x = 3,202.98 × 1,587.10
  4. Step 4: Simplify right side
    2,137.48x = 5,083,449.56
  5. Step 5: Solve for x
    x = 5,083,449.56/2,137.48
  6. Step 6: Final answer
    x = 2,378.24

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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.