Home / 1,670.22-2,304.59-1,080.68

Finding the Fourth Proportional to 1,670.22, 2,304.59 and 1,080.68

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Solution

The fourth proportional to 1,670.22, 2,304.59 and 1,080.68 is: 1,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.22 : 2,304.59 = 1,080.68 : x
  2. Step 2: Convert to fraction form
    1,670.22/2,304.59 = 1,080.68/x
  3. Step 3: Cross multiply
    1,670.22x = 2,304.59 × 1,080.68
  4. Step 4: Simplify right side
    1,670.22x = 2,490,507.39
  5. Step 5: Solve for x
    x = 2,490,507.39/1,670.22
  6. Step 6: Final answer
    x = 1,491.13

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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.