Home / 2,688.02-4,031.57-1,226.83

Finding the Fourth Proportional to 2,688.02, 4,031.57 and 1,226.83

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Solution

The fourth proportional to 2,688.02, 4,031.57 and 1,226.83 is: 1,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.02 : 4,031.57 = 1,226.83 : x
  2. Step 2: Convert to fraction form
    2,688.02/4,031.57 = 1,226.83/x
  3. Step 3: Cross multiply
    2,688.02x = 4,031.57 × 1,226.83
  4. Step 4: Simplify right side
    2,688.02x = 4,946,044.01
  5. Step 5: Solve for x
    x = 4,946,044.01/2,688.02
  6. Step 6: Final answer
    x = 1,840.04

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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.