Home / 2,318.51-3,199.50-1,270.58

Finding the Fourth Proportional to 2,318.51, 3,199.50 and 1,270.58

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Solution

The fourth proportional to 2,318.51, 3,199.50 and 1,270.58 is: 1,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.51 : 3,199.50 = 1,270.58 : x
  2. Step 2: Convert to fraction form
    2,318.51/3,199.50 = 1,270.58/x
  3. Step 3: Cross multiply
    2,318.51x = 3,199.50 × 1,270.58
  4. Step 4: Simplify right side
    2,318.51x = 4,065,204.71
  5. Step 5: Solve for x
    x = 4,065,204.71/2,318.51
  6. Step 6: Final answer
    x = 1,753.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.