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Finding the Fourth Proportional to 3,615.33, 5,423.01 and 1,975.08

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Solution

The fourth proportional to 3,615.33, 5,423.01 and 1,975.08 is: 2,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.33 : 5,423.01 = 1,975.08 : x
  2. Step 2: Convert to fraction form
    3,615.33/5,423.01 = 1,975.08/x
  3. Step 3: Cross multiply
    3,615.33x = 5,423.01 × 1,975.08
  4. Step 4: Simplify right side
    3,615.33x = 10,710,878.59
  5. Step 5: Solve for x
    x = 10,710,878.59/3,615.33
  6. Step 6: Final answer
    x = 2,962.63

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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.