Home / 2,953.06-4,430.61-1,310.76

Finding the Fourth Proportional to 2,953.06, 4,430.61 and 1,310.76

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Solution

The fourth proportional to 2,953.06, 4,430.61 and 1,310.76 is: 1,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.06 : 4,430.61 = 1,310.76 : x
  2. Step 2: Convert to fraction form
    2,953.06/4,430.61 = 1,310.76/x
  3. Step 3: Cross multiply
    2,953.06x = 4,430.61 × 1,310.76
  4. Step 4: Simplify right side
    2,953.06x = 5,807,444.21
  5. Step 5: Solve for x
    x = 5,807,444.21/2,953.06
  6. Step 6: Final answer
    x = 1,966.59

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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.