Home / 2,391.95-3,563.25-2,319.41

Finding the Fourth Proportional to 2,391.95, 3,563.25 and 2,319.41

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Solution

The fourth proportional to 2,391.95, 3,563.25 and 2,319.41 is: 3,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.95 : 3,563.25 = 2,319.41 : x
  2. Step 2: Convert to fraction form
    2,391.95/3,563.25 = 2,319.41/x
  3. Step 3: Cross multiply
    2,391.95x = 3,563.25 × 2,319.41
  4. Step 4: Simplify right side
    2,391.95x = 8,264,637.68
  5. Step 5: Solve for x
    x = 8,264,637.68/2,391.95
  6. Step 6: Final answer
    x = 3,455.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.