Home / 2,953.10-4,429.66-1,392.60

Finding the Fourth Proportional to 2,953.10, 4,429.66 and 1,392.60

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Solution

The fourth proportional to 2,953.10, 4,429.66 and 1,392.60 is: 2,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.10 : 4,429.66 = 1,392.60 : x
  2. Step 2: Convert to fraction form
    2,953.10/4,429.66 = 1,392.60/x
  3. Step 3: Cross multiply
    2,953.10x = 4,429.66 × 1,392.60
  4. Step 4: Simplify right side
    2,953.10x = 6,168,744.52
  5. Step 5: Solve for x
    x = 6,168,744.52/2,953.10
  6. Step 6: Final answer
    x = 2,088.90

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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.