Home / 1,569.22-2,354.81-1,423.24

Finding the Fourth Proportional to 1,569.22, 2,354.81 and 1,423.24

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Solution

The fourth proportional to 1,569.22, 2,354.81 and 1,423.24 is: 2,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.22 : 2,354.81 = 1,423.24 : x
  2. Step 2: Convert to fraction form
    1,569.22/2,354.81 = 1,423.24/x
  3. Step 3: Cross multiply
    1,569.22x = 2,354.81 × 1,423.24
  4. Step 4: Simplify right side
    1,569.22x = 3,351,440.89
  5. Step 5: Solve for x
    x = 3,351,440.89/1,569.22
  6. Step 6: Final answer
    x = 2,135.74

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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.