Home / 1,419.55-2,130.62-1,024.61

Finding the Fourth Proportional to 1,419.55, 2,130.62 and 1,024.61

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Solution

The fourth proportional to 1,419.55, 2,130.62 and 1,024.61 is: 1,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.55 : 2,130.62 = 1,024.61 : x
  2. Step 2: Convert to fraction form
    1,419.55/2,130.62 = 1,024.61/x
  3. Step 3: Cross multiply
    1,419.55x = 2,130.62 × 1,024.61
  4. Step 4: Simplify right side
    1,419.55x = 2,183,038.78
  5. Step 5: Solve for x
    x = 2,183,038.78/1,419.55
  6. Step 6: Final answer
    x = 1,537.84

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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.