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Finding the Fourth Proportional to 2,491.74, 3,734.91 and 1,873.62

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Solution

The fourth proportional to 2,491.74, 3,734.91 and 1,873.62 is: 2,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.74 : 3,734.91 = 1,873.62 : x
  2. Step 2: Convert to fraction form
    2,491.74/3,734.91 = 1,873.62/x
  3. Step 3: Cross multiply
    2,491.74x = 3,734.91 × 1,873.62
  4. Step 4: Simplify right side
    2,491.74x = 6,997,802.07
  5. Step 5: Solve for x
    x = 6,997,802.07/2,491.74
  6. Step 6: Final answer
    x = 2,808.40

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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.