Home / 1,869.48-2,576.00-1,395.83

Finding the Fourth Proportional to 1,869.48, 2,576.00 and 1,395.83

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Solution

The fourth proportional to 1,869.48, 2,576.00 and 1,395.83 is: 1,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.48 : 2,576.00 = 1,395.83 : x
  2. Step 2: Convert to fraction form
    1,869.48/2,576.00 = 1,395.83/x
  3. Step 3: Cross multiply
    1,869.48x = 2,576.00 × 1,395.83
  4. Step 4: Simplify right side
    1,869.48x = 3,595,668.01
  5. Step 5: Solve for x
    x = 3,595,668.01/1,869.48
  6. Step 6: Final answer
    x = 1,923.35

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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.