Home / 2,603.13-3,590.73-1,857.33

Finding the Fourth Proportional to 2,603.13, 3,590.73 and 1,857.33

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Solution

The fourth proportional to 2,603.13, 3,590.73 and 1,857.33 is: 2,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.13 : 3,590.73 = 1,857.33 : x
  2. Step 2: Convert to fraction form
    2,603.13/3,590.73 = 1,857.33/x
  3. Step 3: Cross multiply
    2,603.13x = 3,590.73 × 1,857.33
  4. Step 4: Simplify right side
    2,603.13x = 6,669,170.55
  5. Step 5: Solve for x
    x = 6,669,170.55/2,603.13
  6. Step 6: Final answer
    x = 2,561.98

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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.