Home / 1,603.36-2,214.72-1,184.64

Finding the Fourth Proportional to 1,603.36, 2,214.72 and 1,184.64

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Solution

The fourth proportional to 1,603.36, 2,214.72 and 1,184.64 is: 1,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.36 : 2,214.72 = 1,184.64 : x
  2. Step 2: Convert to fraction form
    1,603.36/2,214.72 = 1,184.64/x
  3. Step 3: Cross multiply
    1,603.36x = 2,214.72 × 1,184.64
  4. Step 4: Simplify right side
    1,603.36x = 2,623,645.90
  5. Step 5: Solve for x
    x = 2,623,645.90/1,603.36
  6. Step 6: Final answer
    x = 1,636.34

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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.