Home / 1,419.02-2,124.48-1,095.02

Finding the Fourth Proportional to 1,419.02, 2,124.48 and 1,095.02

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Solution

The fourth proportional to 1,419.02, 2,124.48 and 1,095.02 is: 1,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.02 : 2,124.48 = 1,095.02 : x
  2. Step 2: Convert to fraction form
    1,419.02/2,124.48 = 1,095.02/x
  3. Step 3: Cross multiply
    1,419.02x = 2,124.48 × 1,095.02
  4. Step 4: Simplify right side
    1,419.02x = 2,326,348.09
  5. Step 5: Solve for x
    x = 2,326,348.09/1,419.02
  6. Step 6: Final answer
    x = 1,639.40

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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.