Home / 1,975.68-2,966.40-1,401.60

Finding the Fourth Proportional to 1,975.68, 2,966.40 and 1,401.60

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Solution

The fourth proportional to 1,975.68, 2,966.40 and 1,401.60 is: 2,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.68 : 2,966.40 = 1,401.60 : x
  2. Step 2: Convert to fraction form
    1,975.68/2,966.40 = 1,401.60/x
  3. Step 3: Cross multiply
    1,975.68x = 2,966.40 × 1,401.60
  4. Step 4: Simplify right side
    1,975.68x = 4,157,706.24
  5. Step 5: Solve for x
    x = 4,157,706.24/1,975.68
  6. Step 6: Final answer
    x = 2,104.44

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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.