Home / 3,015.17-4,161.63-1,756.28

Finding the Fourth Proportional to 3,015.17, 4,161.63 and 1,756.28

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Solution

The fourth proportional to 3,015.17, 4,161.63 and 1,756.28 is: 2,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.17 : 4,161.63 = 1,756.28 : x
  2. Step 2: Convert to fraction form
    3,015.17/4,161.63 = 1,756.28/x
  3. Step 3: Cross multiply
    3,015.17x = 4,161.63 × 1,756.28
  4. Step 4: Simplify right side
    3,015.17x = 7,308,994.65
  5. Step 5: Solve for x
    x = 7,308,994.65/3,015.17
  6. Step 6: Final answer
    x = 2,424.07

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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.