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Finding the Fourth Proportional to 2,574.84, 3,549.24 and 2,104.68

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Solution

The fourth proportional to 2,574.84, 3,549.24 and 2,104.68 is: 2,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.84 : 3,549.24 = 2,104.68 : x
  2. Step 2: Convert to fraction form
    2,574.84/3,549.24 = 2,104.68/x
  3. Step 3: Cross multiply
    2,574.84x = 3,549.24 × 2,104.68
  4. Step 4: Simplify right side
    2,574.84x = 7,470,014.44
  5. Step 5: Solve for x
    x = 7,470,014.44/2,574.84
  6. Step 6: Final answer
    x = 2,901.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.