Home / 3,118.43-4,303.56-1,702.22

Finding the Fourth Proportional to 3,118.43, 4,303.56 and 1,702.22

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Solution

The fourth proportional to 3,118.43, 4,303.56 and 1,702.22 is: 2,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.43 : 4,303.56 = 1,702.22 : x
  2. Step 2: Convert to fraction form
    3,118.43/4,303.56 = 1,702.22/x
  3. Step 3: Cross multiply
    3,118.43x = 4,303.56 × 1,702.22
  4. Step 4: Simplify right side
    3,118.43x = 7,325,590.77
  5. Step 5: Solve for x
    x = 7,325,590.77/3,118.43
  6. Step 6: Final answer
    x = 2,349.13

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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.