Home / 2,973.90-4,104.02-1,647.63

Finding the Fourth Proportional to 2,973.90, 4,104.02 and 1,647.63

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Solution

The fourth proportional to 2,973.90, 4,104.02 and 1,647.63 is: 2,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.90 : 4,104.02 = 1,647.63 : x
  2. Step 2: Convert to fraction form
    2,973.90/4,104.02 = 1,647.63/x
  3. Step 3: Cross multiply
    2,973.90x = 4,104.02 × 1,647.63
  4. Step 4: Simplify right side
    2,973.90x = 6,761,898.23
  5. Step 5: Solve for x
    x = 6,761,898.23/2,973.90
  6. Step 6: Final answer
    x = 2,273.75

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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.