Home / 3,106.17-4,658.69-1,026.20

Finding the Fourth Proportional to 3,106.17, 4,658.69 and 1,026.20

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Solution

The fourth proportional to 3,106.17, 4,658.69 and 1,026.20 is: 1,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.17 : 4,658.69 = 1,026.20 : x
  2. Step 2: Convert to fraction form
    3,106.17/4,658.69 = 1,026.20/x
  3. Step 3: Cross multiply
    3,106.17x = 4,658.69 × 1,026.20
  4. Step 4: Simplify right side
    3,106.17x = 4,780,719.25
  5. Step 5: Solve for x
    x = 4,780,719.25/3,106.17
  6. Step 6: Final answer
    x = 1,539.10

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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.