Home / 1,352.16-1,853.80-1,327.56

Finding the Fourth Proportional to 1,352.16, 1,853.80 and 1,327.56

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Solution

The fourth proportional to 1,352.16, 1,853.80 and 1,327.56 is: 1,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.16 : 1,853.80 = 1,327.56 : x
  2. Step 2: Convert to fraction form
    1,352.16/1,853.80 = 1,327.56/x
  3. Step 3: Cross multiply
    1,352.16x = 1,853.80 × 1,327.56
  4. Step 4: Simplify right side
    1,352.16x = 2,461,030.73
  5. Step 5: Solve for x
    x = 2,461,030.73/1,352.16
  6. Step 6: Final answer
    x = 1,820.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.