Home / 2,289.50-3,159.46-1,503.50

Finding the Fourth Proportional to 2,289.50, 3,159.46 and 1,503.50

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Solution

The fourth proportional to 2,289.50, 3,159.46 and 1,503.50 is: 2,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.50 : 3,159.46 = 1,503.50 : x
  2. Step 2: Convert to fraction form
    2,289.50/3,159.46 = 1,503.50/x
  3. Step 3: Cross multiply
    2,289.50x = 3,159.46 × 1,503.50
  4. Step 4: Simplify right side
    2,289.50x = 4,750,248.11
  5. Step 5: Solve for x
    x = 4,750,248.11/2,289.50
  6. Step 6: Final answer
    x = 2,074.80

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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.