Home / 1,603.08-2,209.14-1,071.36

Finding the Fourth Proportional to 1,603.08, 2,209.14 and 1,071.36

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Solution

The fourth proportional to 1,603.08, 2,209.14 and 1,071.36 is: 1,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.08 : 2,209.14 = 1,071.36 : x
  2. Step 2: Convert to fraction form
    1,603.08/2,209.14 = 1,071.36/x
  3. Step 3: Cross multiply
    1,603.08x = 2,209.14 × 1,071.36
  4. Step 4: Simplify right side
    1,603.08x = 2,366,784.23
  5. Step 5: Solve for x
    x = 2,366,784.23/1,603.08
  6. Step 6: Final answer
    x = 1,476.40

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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.