Home / 1,702.11-2,555.32-1,447.23

Finding the Fourth Proportional to 1,702.11, 2,555.32 and 1,447.23

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Solution

The fourth proportional to 1,702.11, 2,555.32 and 1,447.23 is: 2,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.11 : 2,555.32 = 1,447.23 : x
  2. Step 2: Convert to fraction form
    1,702.11/2,555.32 = 1,447.23/x
  3. Step 3: Cross multiply
    1,702.11x = 2,555.32 × 1,447.23
  4. Step 4: Simplify right side
    1,702.11x = 3,698,131.18
  5. Step 5: Solve for x
    x = 3,698,131.18/1,702.11
  6. Step 6: Final answer
    x = 2,172.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.