Home / 2,681.65-4,021.69-1,037.81

Finding the Fourth Proportional to 2,681.65, 4,021.69 and 1,037.81

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Solution

The fourth proportional to 2,681.65, 4,021.69 and 1,037.81 is: 1,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.65 : 4,021.69 = 1,037.81 : x
  2. Step 2: Convert to fraction form
    2,681.65/4,021.69 = 1,037.81/x
  3. Step 3: Cross multiply
    2,681.65x = 4,021.69 × 1,037.81
  4. Step 4: Simplify right side
    2,681.65x = 4,173,750.10
  5. Step 5: Solve for x
    x = 4,173,750.10/2,681.65
  6. Step 6: Final answer
    x = 1,556.41

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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.