Home / 3,210.50-4,816.48-1,158.50

Finding the Fourth Proportional to 3,210.50, 4,816.48 and 1,158.50

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Solution

The fourth proportional to 3,210.50, 4,816.48 and 1,158.50 is: 1,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.50 : 4,816.48 = 1,158.50 : x
  2. Step 2: Convert to fraction form
    3,210.50/4,816.48 = 1,158.50/x
  3. Step 3: Cross multiply
    3,210.50x = 4,816.48 × 1,158.50
  4. Step 4: Simplify right side
    3,210.50x = 5,579,892.08
  5. Step 5: Solve for x
    x = 5,579,892.08/3,210.50
  6. Step 6: Final answer
    x = 1,738.01

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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.