Home / 2,559.37-3,531.84-1,440.36

Finding the Fourth Proportional to 2,559.37, 3,531.84 and 1,440.36

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Solution

The fourth proportional to 2,559.37, 3,531.84 and 1,440.36 is: 1,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.37 : 3,531.84 = 1,440.36 : x
  2. Step 2: Convert to fraction form
    2,559.37/3,531.84 = 1,440.36/x
  3. Step 3: Cross multiply
    2,559.37x = 3,531.84 × 1,440.36
  4. Step 4: Simplify right side
    2,559.37x = 5,087,121.06
  5. Step 5: Solve for x
    x = 5,087,121.06/2,559.37
  6. Step 6: Final answer
    x = 1,987.65

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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.