Home / 3,210.86-4,817.68-1,132.35

Finding the Fourth Proportional to 3,210.86, 4,817.68 and 1,132.35

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Solution

The fourth proportional to 3,210.86, 4,817.68 and 1,132.35 is: 1,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.86 : 4,817.68 = 1,132.35 : x
  2. Step 2: Convert to fraction form
    3,210.86/4,817.68 = 1,132.35/x
  3. Step 3: Cross multiply
    3,210.86x = 4,817.68 × 1,132.35
  4. Step 4: Simplify right side
    3,210.86x = 5,455,285.07
  5. Step 5: Solve for x
    x = 5,455,285.07/3,210.86
  6. Step 6: Final answer
    x = 1,699.01

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1.5x scale

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.