Home / 2,953.06-4,429.49-1,392.49

Finding the Fourth Proportional to 2,953.06, 4,429.49 and 1,392.49

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Solution

The fourth proportional to 2,953.06, 4,429.49 and 1,392.49 is: 2,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.06 : 4,429.49 = 1,392.49 : x
  2. Step 2: Convert to fraction form
    2,953.06/4,429.49 = 1,392.49/x
  3. Step 3: Cross multiply
    2,953.06x = 4,429.49 × 1,392.49
  4. Step 4: Simplify right side
    2,953.06x = 6,168,019.10
  5. Step 5: Solve for x
    x = 6,168,019.10/2,953.06
  6. Step 6: Final answer
    x = 2,088.69

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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.