Home / 3,118.51-4,303.55-1,702.18

Finding the Fourth Proportional to 3,118.51, 4,303.55 and 1,702.18

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Solution

The fourth proportional to 3,118.51, 4,303.55 and 1,702.18 is: 2,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.51 : 4,303.55 = 1,702.18 : x
  2. Step 2: Convert to fraction form
    3,118.51/4,303.55 = 1,702.18/x
  3. Step 3: Cross multiply
    3,118.51x = 4,303.55 × 1,702.18
  4. Step 4: Simplify right side
    3,118.51x = 7,325,416.74
  5. Step 5: Solve for x
    x = 7,325,416.74/3,118.51
  6. Step 6: Final answer
    x = 2,349.01

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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.