Home / 3,136.32-4,679.93-3,118.10

Finding the Fourth Proportional to 3,136.32, 4,679.93 and 3,118.10

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Solution

The fourth proportional to 3,136.32, 4,679.93 and 3,118.10 is: 4,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.32 : 4,679.93 = 3,118.10 : x
  2. Step 2: Convert to fraction form
    3,136.32/4,679.93 = 3,118.10/x
  3. Step 3: Cross multiply
    3,136.32x = 4,679.93 × 3,118.10
  4. Step 4: Simplify right side
    3,136.32x = 14,592,489.73
  5. Step 5: Solve for x
    x = 14,592,489.73/3,136.32
  6. Step 6: Final answer
    x = 4,652.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.