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Finding the Fourth Proportional to 2,393.51, 3,303.03 and 1,331.25

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Solution

The fourth proportional to 2,393.51, 3,303.03 and 1,331.25 is: 1,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.51 : 3,303.03 = 1,331.25 : x
  2. Step 2: Convert to fraction form
    2,393.51/3,303.03 = 1,331.25/x
  3. Step 3: Cross multiply
    2,393.51x = 3,303.03 × 1,331.25
  4. Step 4: Simplify right side
    2,393.51x = 4,397,151.29
  5. Step 5: Solve for x
    x = 4,397,151.29/2,393.51
  6. Step 6: Final answer
    x = 1,837.11

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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.