Home / 1,752.51-2,419.49-1,089.73

Finding the Fourth Proportional to 1,752.51, 2,419.49 and 1,089.73

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Solution

The fourth proportional to 1,752.51, 2,419.49 and 1,089.73 is: 1,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.51 : 2,419.49 = 1,089.73 : x
  2. Step 2: Convert to fraction form
    1,752.51/2,419.49 = 1,089.73/x
  3. Step 3: Cross multiply
    1,752.51x = 2,419.49 × 1,089.73
  4. Step 4: Simplify right side
    1,752.51x = 2,636,590.84
  5. Step 5: Solve for x
    x = 2,636,590.84/1,752.51
  6. Step 6: Final answer
    x = 1,504.47

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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.