Home / 1,492.40-2,237.23-799.55

Finding the Fourth Proportional to 1,492.40, 2,237.23 and 799.55

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Solution

The fourth proportional to 1,492.40, 2,237.23 and 799.55 is: 1,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.40 : 2,237.23 = 799.55 : x
  2. Step 2: Convert to fraction form
    1,492.40/2,237.23 = 799.55/x
  3. Step 3: Cross multiply
    1,492.40x = 2,237.23 × 799.55
  4. Step 4: Simplify right side
    1,492.40x = 1,788,762.06
  5. Step 5: Solve for x
    x = 1,788,762.06/1,492.40
  6. Step 6: Final answer
    x = 1,198.58

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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.