Home / 2,378.60-3,564.70-1,011.56

Finding the Fourth Proportional to 2,378.60, 3,564.70 and 1,011.56

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Solution

The fourth proportional to 2,378.60, 3,564.70 and 1,011.56 is: 1,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.60 : 3,564.70 = 1,011.56 : x
  2. Step 2: Convert to fraction form
    2,378.60/3,564.70 = 1,011.56/x
  3. Step 3: Cross multiply
    2,378.60x = 3,564.70 × 1,011.56
  4. Step 4: Simplify right side
    2,378.60x = 3,605,907.93
  5. Step 5: Solve for x
    x = 3,605,907.93/2,378.60
  6. Step 6: Final answer
    x = 1,515.98

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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.