Home / 2,907.36-4,354.56-2,136.24

Finding the Fourth Proportional to 2,907.36, 4,354.56 and 2,136.24

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Solution

The fourth proportional to 2,907.36, 4,354.56 and 2,136.24 is: 3,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.36 : 4,354.56 = 2,136.24 : x
  2. Step 2: Convert to fraction form
    2,907.36/4,354.56 = 2,136.24/x
  3. Step 3: Cross multiply
    2,907.36x = 4,354.56 × 2,136.24
  4. Step 4: Simplify right side
    2,907.36x = 9,302,385.25
  5. Step 5: Solve for x
    x = 9,302,385.25/2,907.36
  6. Step 6: Final answer
    x = 3,199.60

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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.