Home / 1,527.90-2,287.51-1,058.32

Finding the Fourth Proportional to 1,527.90, 2,287.51 and 1,058.32

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Solution

The fourth proportional to 1,527.90, 2,287.51 and 1,058.32 is: 1,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.90 : 2,287.51 = 1,058.32 : x
  2. Step 2: Convert to fraction form
    1,527.90/2,287.51 = 1,058.32/x
  3. Step 3: Cross multiply
    1,527.90x = 2,287.51 × 1,058.32
  4. Step 4: Simplify right side
    1,527.90x = 2,420,917.80
  5. Step 5: Solve for x
    x = 2,420,917.80/1,527.90
  6. Step 6: Final answer
    x = 1,584.48

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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.