Home / 3,090.47-4,632.46-1,445.63

Finding the Fourth Proportional to 3,090.47, 4,632.46 and 1,445.63

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Solution

The fourth proportional to 3,090.47, 4,632.46 and 1,445.63 is: 2,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.47 : 4,632.46 = 1,445.63 : x
  2. Step 2: Convert to fraction form
    3,090.47/4,632.46 = 1,445.63/x
  3. Step 3: Cross multiply
    3,090.47x = 4,632.46 × 1,445.63
  4. Step 4: Simplify right side
    3,090.47x = 6,696,796.37
  5. Step 5: Solve for x
    x = 6,696,796.37/3,090.47
  6. Step 6: Final answer
    x = 2,166.92

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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.