Home / 3,153.48-4,351.92-1,756.32

Finding the Fourth Proportional to 3,153.48, 4,351.92 and 1,756.32

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Solution

The fourth proportional to 3,153.48, 4,351.92 and 1,756.32 is: 2,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.48 : 4,351.92 = 1,756.32 : x
  2. Step 2: Convert to fraction form
    3,153.48/4,351.92 = 1,756.32/x
  3. Step 3: Cross multiply
    3,153.48x = 4,351.92 × 1,756.32
  4. Step 4: Simplify right side
    3,153.48x = 7,643,364.13
  5. Step 5: Solve for x
    x = 7,643,364.13/3,153.48
  6. Step 6: Final answer
    x = 2,423.79

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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.