Home / 3,153.31-4,351.71-1,756.06

Finding the Fourth Proportional to 3,153.31, 4,351.71 and 1,756.06

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Solution

The fourth proportional to 3,153.31, 4,351.71 and 1,756.06 is: 2,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.31 : 4,351.71 = 1,756.06 : x
  2. Step 2: Convert to fraction form
    3,153.31/4,351.71 = 1,756.06/x
  3. Step 3: Cross multiply
    3,153.31x = 4,351.71 × 1,756.06
  4. Step 4: Simplify right side
    3,153.31x = 7,641,870.35
  5. Step 5: Solve for x
    x = 7,641,870.35/3,153.31
  6. Step 6: Final answer
    x = 2,423.44

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1.5x scale

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.