Home / 2,106.55-2,904.33-1,442.26

Finding the Fourth Proportional to 2,106.55, 2,904.33 and 1,442.26

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Solution

The fourth proportional to 2,106.55, 2,904.33 and 1,442.26 is: 1,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.55 : 2,904.33 = 1,442.26 : x
  2. Step 2: Convert to fraction form
    2,106.55/2,904.33 = 1,442.26/x
  3. Step 3: Cross multiply
    2,106.55x = 2,904.33 × 1,442.26
  4. Step 4: Simplify right side
    2,106.55x = 4,188,798.99
  5. Step 5: Solve for x
    x = 4,188,798.99/2,106.55
  6. Step 6: Final answer
    x = 1,988.46

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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.