Home / 1,592.87-2,192.67-1,312.61

Finding the Fourth Proportional to 1,592.87, 2,192.67 and 1,312.61

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Solution

The fourth proportional to 1,592.87, 2,192.67 and 1,312.61 is: 1,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.87 : 2,192.67 = 1,312.61 : x
  2. Step 2: Convert to fraction form
    1,592.87/2,192.67 = 1,312.61/x
  3. Step 3: Cross multiply
    1,592.87x = 2,192.67 × 1,312.61
  4. Step 4: Simplify right side
    1,592.87x = 2,878,109.61
  5. Step 5: Solve for x
    x = 2,878,109.61/1,592.87
  6. Step 6: Final answer
    x = 1,806.88

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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.