Home / 3,186.02-4,774.77-1,702.20

Finding the Fourth Proportional to 3,186.02, 4,774.77 and 1,702.20

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Solution

The fourth proportional to 3,186.02, 4,774.77 and 1,702.20 is: 2,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.02 : 4,774.77 = 1,702.20 : x
  2. Step 2: Convert to fraction form
    3,186.02/4,774.77 = 1,702.20/x
  3. Step 3: Cross multiply
    3,186.02x = 4,774.77 × 1,702.20
  4. Step 4: Simplify right side
    3,186.02x = 8,127,613.49
  5. Step 5: Solve for x
    x = 8,127,613.49/3,186.02
  6. Step 6: Final answer
    x = 2,551.03

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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.