Home / 1,790.91-2,471.31-1,004.67

Finding the Fourth Proportional to 1,790.91, 2,471.31 and 1,004.67

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Solution

The fourth proportional to 1,790.91, 2,471.31 and 1,004.67 is: 1,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.91 : 2,471.31 = 1,004.67 : x
  2. Step 2: Convert to fraction form
    1,790.91/2,471.31 = 1,004.67/x
  3. Step 3: Cross multiply
    1,790.91x = 2,471.31 × 1,004.67
  4. Step 4: Simplify right side
    1,790.91x = 2,482,851.02
  5. Step 5: Solve for x
    x = 2,482,851.02/1,790.91
  6. Step 6: Final answer
    x = 1,386.36

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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.