Home / 1,559.22-2,339.40-965.55

Finding the Fourth Proportional to 1,559.22, 2,339.40 and 965.55

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Solution

The fourth proportional to 1,559.22, 2,339.40 and 965.55 is: 1,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.22 : 2,339.40 = 965.55 : x
  2. Step 2: Convert to fraction form
    1,559.22/2,339.40 = 965.55/x
  3. Step 3: Cross multiply
    1,559.22x = 2,339.40 × 965.55
  4. Step 4: Simplify right side
    1,559.22x = 2,258,802.84
  5. Step 5: Solve for x
    x = 2,258,802.84/1,559.22
  6. Step 6: Final answer
    x = 1,448.67

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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.