Home / 2,682.16-4,020.34-1,038.20

Finding the Fourth Proportional to 2,682.16, 4,020.34 and 1,038.20

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Solution

The fourth proportional to 2,682.16, 4,020.34 and 1,038.20 is: 1,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.16 : 4,020.34 = 1,038.20 : x
  2. Step 2: Convert to fraction form
    2,682.16/4,020.34 = 1,038.20/x
  3. Step 3: Cross multiply
    2,682.16x = 4,020.34 × 1,038.20
  4. Step 4: Simplify right side
    2,682.16x = 4,173,916.99
  5. Step 5: Solve for x
    x = 4,173,916.99/2,682.16
  6. Step 6: Final answer
    x = 1,556.18

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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.