Home / 3,312.03-4,570.25-1,914.78

Finding the Fourth Proportional to 3,312.03, 4,570.25 and 1,914.78

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Solution

The fourth proportional to 3,312.03, 4,570.25 and 1,914.78 is: 2,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.03 : 4,570.25 = 1,914.78 : x
  2. Step 2: Convert to fraction form
    3,312.03/4,570.25 = 1,914.78/x
  3. Step 3: Cross multiply
    3,312.03x = 4,570.25 × 1,914.78
  4. Step 4: Simplify right side
    3,312.03x = 8,751,013.72
  5. Step 5: Solve for x
    x = 8,751,013.72/3,312.03
  6. Step 6: Final answer
    x = 2,642.19

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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.