Home / 3,210.75-4,818.15-1,263.06

Finding the Fourth Proportional to 3,210.75, 4,818.15 and 1,263.06

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Solution

The fourth proportional to 3,210.75, 4,818.15 and 1,263.06 is: 1,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.75 : 4,818.15 = 1,263.06 : x
  2. Step 2: Convert to fraction form
    3,210.75/4,818.15 = 1,263.06/x
  3. Step 3: Cross multiply
    3,210.75x = 4,818.15 × 1,263.06
  4. Step 4: Simplify right side
    3,210.75x = 6,085,612.54
  5. Step 5: Solve for x
    x = 6,085,612.54/3,210.75
  6. Step 6: Final answer
    x = 1,895.39

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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.