Home / 1,979.34-2,966.58-1,433.40

Finding the Fourth Proportional to 1,979.34, 2,966.58 and 1,433.40

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Solution

The fourth proportional to 1,979.34, 2,966.58 and 1,433.40 is: 2,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.34 : 2,966.58 = 1,433.40 : x
  2. Step 2: Convert to fraction form
    1,979.34/2,966.58 = 1,433.40/x
  3. Step 3: Cross multiply
    1,979.34x = 2,966.58 × 1,433.40
  4. Step 4: Simplify right side
    1,979.34x = 4,252,295.77
  5. Step 5: Solve for x
    x = 4,252,295.77/1,979.34
  6. Step 6: Final answer
    x = 2,148.34

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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.