Home / 3,090.22-4,612.63-2,830.51

Finding the Fourth Proportional to 3,090.22, 4,612.63 and 2,830.51

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Solution

The fourth proportional to 3,090.22, 4,612.63 and 2,830.51 is: 4,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.22 : 4,612.63 = 2,830.51 : x
  2. Step 2: Convert to fraction form
    3,090.22/4,612.63 = 2,830.51/x
  3. Step 3: Cross multiply
    3,090.22x = 4,612.63 × 2,830.51
  4. Step 4: Simplify right side
    3,090.22x = 13,056,095.34
  5. Step 5: Solve for x
    x = 13,056,095.34/3,090.22
  6. Step 6: Final answer
    x = 4,224.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.