Home / 1,587.34-2,382.06-1,197.62

Finding the Fourth Proportional to 1,587.34, 2,382.06 and 1,197.62

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Solution

The fourth proportional to 1,587.34, 2,382.06 and 1,197.62 is: 1,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.34 : 2,382.06 = 1,197.62 : x
  2. Step 2: Convert to fraction form
    1,587.34/2,382.06 = 1,197.62/x
  3. Step 3: Cross multiply
    1,587.34x = 2,382.06 × 1,197.62
  4. Step 4: Simplify right side
    1,587.34x = 2,852,802.70
  5. Step 5: Solve for x
    x = 2,852,802.70/1,587.34
  6. Step 6: Final answer
    x = 1,797.22

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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.