Home / 1,847.70-2,548.80-1,259.10

Finding the Fourth Proportional to 1,847.70, 2,548.80 and 1,259.10

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Solution

The fourth proportional to 1,847.70, 2,548.80 and 1,259.10 is: 1,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.70 : 2,548.80 = 1,259.10 : x
  2. Step 2: Convert to fraction form
    1,847.70/2,548.80 = 1,259.10/x
  3. Step 3: Cross multiply
    1,847.70x = 2,548.80 × 1,259.10
  4. Step 4: Simplify right side
    1,847.70x = 3,209,194.08
  5. Step 5: Solve for x
    x = 3,209,194.08/1,847.70
  6. Step 6: Final answer
    x = 1,736.86

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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.