Home / 2,962.81-4,445.75-1,209.10

Finding the Fourth Proportional to 2,962.81, 4,445.75 and 1,209.10

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Solution

The fourth proportional to 2,962.81, 4,445.75 and 1,209.10 is: 1,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.81 : 4,445.75 = 1,209.10 : x
  2. Step 2: Convert to fraction form
    2,962.81/4,445.75 = 1,209.10/x
  3. Step 3: Cross multiply
    2,962.81x = 4,445.75 × 1,209.10
  4. Step 4: Simplify right side
    2,962.81x = 5,375,356.33
  5. Step 5: Solve for x
    x = 5,375,356.33/2,962.81
  6. Step 6: Final answer
    x = 1,814.28

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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.