Home / 1,325.16-1,826.28-1,026

Finding the Fourth Proportional to 1,325.16, 1,826.28 and 1,026

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Solution

The fourth proportional to 1,325.16, 1,826.28 and 1,026 is: 1,413.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.16 : 1,826.28 = 1,026 : x
  2. Step 2: Convert to fraction form
    1,325.16/1,826.28 = 1,026/x
  3. Step 3: Cross multiply
    1,325.16x = 1,826.28 × 1,026
  4. Step 4: Simplify right side
    1,325.16x = 1,873,763.28
  5. Step 5: Solve for x
    x = 1,873,763.28/1,325.16
  6. Step 6: Final answer
    x = 1,413.99

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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.