Home / 3,136.48-4,348.16-2,970.08

Finding the Fourth Proportional to 3,136.48, 4,348.16 and 2,970.08

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Solution

The fourth proportional to 3,136.48, 4,348.16 and 2,970.08 is: 4,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.48 : 4,348.16 = 2,970.08 : x
  2. Step 2: Convert to fraction form
    3,136.48/4,348.16 = 2,970.08/x
  3. Step 3: Cross multiply
    3,136.48x = 4,348.16 × 2,970.08
  4. Step 4: Simplify right side
    3,136.48x = 12,914,383.05
  5. Step 5: Solve for x
    x = 12,914,383.05/3,136.48
  6. Step 6: Final answer
    x = 4,117.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.