Home / 3,210.61-4,814.47-1,019.02

Finding the Fourth Proportional to 3,210.61, 4,814.47 and 1,019.02

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Solution

The fourth proportional to 3,210.61, 4,814.47 and 1,019.02 is: 1,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.61 : 4,814.47 = 1,019.02 : x
  2. Step 2: Convert to fraction form
    3,210.61/4,814.47 = 1,019.02/x
  3. Step 3: Cross multiply
    3,210.61x = 4,814.47 × 1,019.02
  4. Step 4: Simplify right side
    3,210.61x = 4,906,041.22
  5. Step 5: Solve for x
    x = 4,906,041.22/3,210.61
  6. Step 6: Final answer
    x = 1,528.07

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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.