Home / 2,953.95-4,430.91-1,222.57

Finding the Fourth Proportional to 2,953.95, 4,430.91 and 1,222.57

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Solution

The fourth proportional to 2,953.95, 4,430.91 and 1,222.57 is: 1,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.95 : 4,430.91 = 1,222.57 : x
  2. Step 2: Convert to fraction form
    2,953.95/4,430.91 = 1,222.57/x
  3. Step 3: Cross multiply
    2,953.95x = 4,430.91 × 1,222.57
  4. Step 4: Simplify right side
    2,953.95x = 5,417,097.64
  5. Step 5: Solve for x
    x = 5,417,097.64/2,953.95
  6. Step 6: Final answer
    x = 1,833.85

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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.