Home / 3,455.64-5,184.66-1,507.98

Finding the Fourth Proportional to 3,455.64, 5,184.66 and 1,507.98

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Solution

The fourth proportional to 3,455.64, 5,184.66 and 1,507.98 is: 2,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.64 : 5,184.66 = 1,507.98 : x
  2. Step 2: Convert to fraction form
    3,455.64/5,184.66 = 1,507.98/x
  3. Step 3: Cross multiply
    3,455.64x = 5,184.66 × 1,507.98
  4. Step 4: Simplify right side
    3,455.64x = 7,818,363.59
  5. Step 5: Solve for x
    x = 7,818,363.59/3,455.64
  6. Step 6: Final answer
    x = 2,262.49

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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.