Home / 1,750.51-2,418.92-1,277.60

Finding the Fourth Proportional to 1,750.51, 2,418.92 and 1,277.60

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Solution

The fourth proportional to 1,750.51, 2,418.92 and 1,277.60 is: 1,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.51 : 2,418.92 = 1,277.60 : x
  2. Step 2: Convert to fraction form
    1,750.51/2,418.92 = 1,277.60/x
  3. Step 3: Cross multiply
    1,750.51x = 2,418.92 × 1,277.60
  4. Step 4: Simplify right side
    1,750.51x = 3,090,412.19
  5. Step 5: Solve for x
    x = 3,090,412.19/1,750.51
  6. Step 6: Final answer
    x = 1,765.44

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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.