Home / 1,851.40-2,552.88-1,262.26

Finding the Fourth Proportional to 1,851.40, 2,552.88 and 1,262.26

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Solution

The fourth proportional to 1,851.40, 2,552.88 and 1,262.26 is: 1,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.40 : 2,552.88 = 1,262.26 : x
  2. Step 2: Convert to fraction form
    1,851.40/2,552.88 = 1,262.26/x
  3. Step 3: Cross multiply
    1,851.40x = 2,552.88 × 1,262.26
  4. Step 4: Simplify right side
    1,851.40x = 3,222,398.31
  5. Step 5: Solve for x
    x = 3,222,398.31/1,851.40
  6. Step 6: Final answer
    x = 1,740.52

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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.