Home / 2,326.85-3,210.93-1,331.90

Finding the Fourth Proportional to 2,326.85, 3,210.93 and 1,331.90

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Solution

The fourth proportional to 2,326.85, 3,210.93 and 1,331.90 is: 1,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.85 : 3,210.93 = 1,331.90 : x
  2. Step 2: Convert to fraction form
    2,326.85/3,210.93 = 1,331.90/x
  3. Step 3: Cross multiply
    2,326.85x = 3,210.93 × 1,331.90
  4. Step 4: Simplify right side
    2,326.85x = 4,276,621.61
  5. Step 5: Solve for x
    x = 4,276,621.61/2,326.85
  6. Step 6: Final answer
    x = 1,837.95

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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.