Home / 3,135.51-4,701.42-1,054.35

Finding the Fourth Proportional to 3,135.51, 4,701.42 and 1,054.35

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Solution

The fourth proportional to 3,135.51, 4,701.42 and 1,054.35 is: 1,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.51 : 4,701.42 = 1,054.35 : x
  2. Step 2: Convert to fraction form
    3,135.51/4,701.42 = 1,054.35/x
  3. Step 3: Cross multiply
    3,135.51x = 4,701.42 × 1,054.35
  4. Step 4: Simplify right side
    3,135.51x = 4,956,942.18
  5. Step 5: Solve for x
    x = 4,956,942.18/3,135.51
  6. Step 6: Final answer
    x = 1,580.90

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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.