Home / 1,851.90-2,552.09-1,327.02

Finding the Fourth Proportional to 1,851.90, 2,552.09 and 1,327.02

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Solution

The fourth proportional to 1,851.90, 2,552.09 and 1,327.02 is: 1,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.90 : 2,552.09 = 1,327.02 : x
  2. Step 2: Convert to fraction form
    1,851.90/2,552.09 = 1,327.02/x
  3. Step 3: Cross multiply
    1,851.90x = 2,552.09 × 1,327.02
  4. Step 4: Simplify right side
    1,851.90x = 3,386,674.47
  5. Step 5: Solve for x
    x = 3,386,674.47/1,851.90
  6. Step 6: Final answer
    x = 1,828.76

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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.