Home / 1,935.34-2,669.05-1,603.19

Finding the Fourth Proportional to 1,935.34, 2,669.05 and 1,603.19

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Solution

The fourth proportional to 1,935.34, 2,669.05 and 1,603.19 is: 2,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.34 : 2,669.05 = 1,603.19 : x
  2. Step 2: Convert to fraction form
    1,935.34/2,669.05 = 1,603.19/x
  3. Step 3: Cross multiply
    1,935.34x = 2,669.05 × 1,603.19
  4. Step 4: Simplify right side
    1,935.34x = 4,279,002.95
  5. Step 5: Solve for x
    x = 4,279,002.95/1,935.34
  6. Step 6: Final answer
    x = 2,210.98

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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.