Home / 2,973.84-4,104.36-2,136.72

Finding the Fourth Proportional to 2,973.84, 4,104.36 and 2,136.72

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Solution

The fourth proportional to 2,973.84, 4,104.36 and 2,136.72 is: 2,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.84 : 4,104.36 = 2,136.72 : x
  2. Step 2: Convert to fraction form
    2,973.84/4,104.36 = 2,136.72/x
  3. Step 3: Cross multiply
    2,973.84x = 4,104.36 × 2,136.72
  4. Step 4: Simplify right side
    2,973.84x = 8,769,868.10
  5. Step 5: Solve for x
    x = 8,769,868.10/2,973.84
  6. Step 6: Final answer
    x = 2,949.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.