Home / 3,153.32-4,351.78-1,756.08

Finding the Fourth Proportional to 3,153.32, 4,351.78 and 1,756.08

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Solution

The fourth proportional to 3,153.32, 4,351.78 and 1,756.08 is: 2,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.32 : 4,351.78 = 1,756.08 : x
  2. Step 2: Convert to fraction form
    3,153.32/4,351.78 = 1,756.08/x
  3. Step 3: Cross multiply
    3,153.32x = 4,351.78 × 1,756.08
  4. Step 4: Simplify right side
    3,153.32x = 7,642,073.82
  5. Step 5: Solve for x
    x = 7,642,073.82/3,153.32
  6. Step 6: Final answer
    x = 2,423.50

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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.