Home / 2,369.81-3,556.46-1,913.06

Finding the Fourth Proportional to 2,369.81, 3,556.46 and 1,913.06

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Solution

The fourth proportional to 2,369.81, 3,556.46 and 1,913.06 is: 2,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.81 : 3,556.46 = 1,913.06 : x
  2. Step 2: Convert to fraction form
    2,369.81/3,556.46 = 1,913.06/x
  3. Step 3: Cross multiply
    2,369.81x = 3,556.46 × 1,913.06
  4. Step 4: Simplify right side
    2,369.81x = 6,803,694.02
  5. Step 5: Solve for x
    x = 6,803,694.02/2,369.81
  6. Step 6: Final answer
    x = 2,870.99

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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.