Home / 1,559.07-2,335.37-1,211.18

Finding the Fourth Proportional to 1,559.07, 2,335.37 and 1,211.18

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Solution

The fourth proportional to 1,559.07, 2,335.37 and 1,211.18 is: 1,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.07 : 2,335.37 = 1,211.18 : x
  2. Step 2: Convert to fraction form
    1,559.07/2,335.37 = 1,211.18/x
  3. Step 3: Cross multiply
    1,559.07x = 2,335.37 × 1,211.18
  4. Step 4: Simplify right side
    1,559.07x = 2,828,535.70
  5. Step 5: Solve for x
    x = 2,828,535.70/1,559.07
  6. Step 6: Final answer
    x = 1,814.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.