Home / 1,790.04-2,471.40-1,294.32

Finding the Fourth Proportional to 1,790.04, 2,471.40 and 1,294.32

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Solution

The fourth proportional to 1,790.04, 2,471.40 and 1,294.32 is: 1,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.04 : 2,471.40 = 1,294.32 : x
  2. Step 2: Convert to fraction form
    1,790.04/2,471.40 = 1,294.32/x
  3. Step 3: Cross multiply
    1,790.04x = 2,471.40 × 1,294.32
  4. Step 4: Simplify right side
    1,790.04x = 3,198,782.45
  5. Step 5: Solve for x
    x = 3,198,782.45/1,790.04
  6. Step 6: Final answer
    x = 1,786.99

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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.