Home / 1,790.66-2,471.11-1,004.70

Finding the Fourth Proportional to 1,790.66, 2,471.11 and 1,004.70

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Solution

The fourth proportional to 1,790.66, 2,471.11 and 1,004.70 is: 1,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.66 : 2,471.11 = 1,004.70 : x
  2. Step 2: Convert to fraction form
    1,790.66/2,471.11 = 1,004.70/x
  3. Step 3: Cross multiply
    1,790.66x = 2,471.11 × 1,004.70
  4. Step 4: Simplify right side
    1,790.66x = 2,482,730.97
  5. Step 5: Solve for x
    x = 2,482,730.97/1,790.66
  6. Step 6: Final answer
    x = 1,386.49

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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.