Home / 1,604.31-2,210.51-1,079.43

Finding the Fourth Proportional to 1,604.31, 2,210.51 and 1,079.43

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Solution

The fourth proportional to 1,604.31, 2,210.51 and 1,079.43 is: 1,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.31 : 2,210.51 = 1,079.43 : x
  2. Step 2: Convert to fraction form
    1,604.31/2,210.51 = 1,079.43/x
  3. Step 3: Cross multiply
    1,604.31x = 2,210.51 × 1,079.43
  4. Step 4: Simplify right side
    1,604.31x = 2,386,090.81
  5. Step 5: Solve for x
    x = 2,386,090.81/1,604.31
  6. Step 6: Final answer
    x = 1,487.30

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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.