Home / 2,099.87-3,148.19-1,810.77

Finding the Fourth Proportional to 2,099.87, 3,148.19 and 1,810.77

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Solution

The fourth proportional to 2,099.87, 3,148.19 and 1,810.77 is: 2,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.87 : 3,148.19 = 1,810.77 : x
  2. Step 2: Convert to fraction form
    2,099.87/3,148.19 = 1,810.77/x
  3. Step 3: Cross multiply
    2,099.87x = 3,148.19 × 1,810.77
  4. Step 4: Simplify right side
    2,099.87x = 5,700,652.53
  5. Step 5: Solve for x
    x = 5,700,652.53/2,099.87
  6. Step 6: Final answer
    x = 2,714.77

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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.