Home / 1,790.48-2,470.86-1,004.52

Finding the Fourth Proportional to 1,790.48, 2,470.86 and 1,004.52

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Solution

The fourth proportional to 1,790.48, 2,470.86 and 1,004.52 is: 1,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.48 : 2,470.86 = 1,004.52 : x
  2. Step 2: Convert to fraction form
    1,790.48/2,470.86 = 1,004.52/x
  3. Step 3: Cross multiply
    1,790.48x = 2,470.86 × 1,004.52
  4. Step 4: Simplify right side
    1,790.48x = 2,482,028.29
  5. Step 5: Solve for x
    x = 2,482,028.29/1,790.48
  6. Step 6: Final answer
    x = 1,386.24

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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.