Home / 1,419.19-2,128.37-597.44

Finding the Fourth Proportional to 1,419.19, 2,128.37 and 597.44

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Solution

The fourth proportional to 1,419.19, 2,128.37 and 597.44 is: 895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.19 : 2,128.37 = 597.44 : x
  2. Step 2: Convert to fraction form
    1,419.19/2,128.37 = 597.44/x
  3. Step 3: Cross multiply
    1,419.19x = 2,128.37 × 597.44
  4. Step 4: Simplify right side
    1,419.19x = 1,271,575.71
  5. Step 5: Solve for x
    x = 1,271,575.71/1,419.19
  6. Step 6: Final answer
    x = 895.99

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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.