Home / 1,790.22-2,470.76-1,004.32

Finding the Fourth Proportional to 1,790.22, 2,470.76 and 1,004.32

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Solution

The fourth proportional to 1,790.22, 2,470.76 and 1,004.32 is: 1,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.22 : 2,470.76 = 1,004.32 : x
  2. Step 2: Convert to fraction form
    1,790.22/2,470.76 = 1,004.32/x
  3. Step 3: Cross multiply
    1,790.22x = 2,470.76 × 1,004.32
  4. Step 4: Simplify right side
    1,790.22x = 2,481,433.68
  5. Step 5: Solve for x
    x = 2,481,433.68/1,790.22
  6. Step 6: Final answer
    x = 1,386.11

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1.5x scale

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.