Home / 2,972.75-4,457.62-1,740.53

Finding the Fourth Proportional to 2,972.75, 4,457.62 and 1,740.53

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Solution

The fourth proportional to 2,972.75, 4,457.62 and 1,740.53 is: 2,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.75 : 4,457.62 = 1,740.53 : x
  2. Step 2: Convert to fraction form
    2,972.75/4,457.62 = 1,740.53/x
  3. Step 3: Cross multiply
    2,972.75x = 4,457.62 × 1,740.53
  4. Step 4: Simplify right side
    2,972.75x = 7,758,621.34
  5. Step 5: Solve for x
    x = 7,758,621.34/2,972.75
  6. Step 6: Final answer
    x = 2,609.91

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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.