Home / 3,090.65-4,635.98-1,448.34

Finding the Fourth Proportional to 3,090.65, 4,635.98 and 1,448.34

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Solution

The fourth proportional to 3,090.65, 4,635.98 and 1,448.34 is: 2,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.65 : 4,635.98 = 1,448.34 : x
  2. Step 2: Convert to fraction form
    3,090.65/4,635.98 = 1,448.34/x
  3. Step 3: Cross multiply
    3,090.65x = 4,635.98 × 1,448.34
  4. Step 4: Simplify right side
    3,090.65x = 6,714,468.03
  5. Step 5: Solve for x
    x = 6,714,468.03/3,090.65
  6. Step 6: Final answer
    x = 2,172.51

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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.