Home / 1,702.20-2,567.73-1,630.20

Finding the Fourth Proportional to 1,702.20, 2,567.73 and 1,630.20

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Solution

The fourth proportional to 1,702.20, 2,567.73 and 1,630.20 is: 2,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.20 : 2,567.73 = 1,630.20 : x
  2. Step 2: Convert to fraction form
    1,702.20/2,567.73 = 1,630.20/x
  3. Step 3: Cross multiply
    1,702.20x = 2,567.73 × 1,630.20
  4. Step 4: Simplify right side
    1,702.20x = 4,185,913.45
  5. Step 5: Solve for x
    x = 4,185,913.45/1,702.20
  6. Step 6: Final answer
    x = 2,459.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.