Home / 2,600.15-3,583.98-1,603.26

Finding the Fourth Proportional to 2,600.15, 3,583.98 and 1,603.26

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Solution

The fourth proportional to 2,600.15, 3,583.98 and 1,603.26 is: 2,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.15 : 3,583.98 = 1,603.26 : x
  2. Step 2: Convert to fraction form
    2,600.15/3,583.98 = 1,603.26/x
  3. Step 3: Cross multiply
    2,600.15x = 3,583.98 × 1,603.26
  4. Step 4: Simplify right side
    2,600.15x = 5,746,051.77
  5. Step 5: Solve for x
    x = 5,746,051.77/2,600.15
  6. Step 6: Final answer
    x = 2,209.90

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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.