Home / 1,790.98-2,471.70-1,004.92

Finding the Fourth Proportional to 1,790.98, 2,471.70 and 1,004.92

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Solution

The fourth proportional to 1,790.98, 2,471.70 and 1,004.92 is: 1,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.98 : 2,471.70 = 1,004.92 : x
  2. Step 2: Convert to fraction form
    1,790.98/2,471.70 = 1,004.92/x
  3. Step 3: Cross multiply
    1,790.98x = 2,471.70 × 1,004.92
  4. Step 4: Simplify right side
    1,790.98x = 2,483,860.76
  5. Step 5: Solve for x
    x = 2,483,860.76/1,790.98
  6. Step 6: Final answer
    x = 1,386.87

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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.