Home / 2,607.19-3,597.92-1,428.28

Finding the Fourth Proportional to 2,607.19, 3,597.92 and 1,428.28

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Solution

The fourth proportional to 2,607.19, 3,597.92 and 1,428.28 is: 1,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.19 : 3,597.92 = 1,428.28 : x
  2. Step 2: Convert to fraction form
    2,607.19/3,597.92 = 1,428.28/x
  3. Step 3: Cross multiply
    2,607.19x = 3,597.92 × 1,428.28
  4. Step 4: Simplify right side
    2,607.19x = 5,138,846.64
  5. Step 5: Solve for x
    x = 5,138,846.64/2,607.19
  6. Step 6: Final answer
    x = 1,971.03

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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.