Home / 1,637.96-2,259.22-1,047.88

Finding the Fourth Proportional to 1,637.96, 2,259.22 and 1,047.88

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Solution

The fourth proportional to 1,637.96, 2,259.22 and 1,047.88 is: 1,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.96 : 2,259.22 = 1,047.88 : x
  2. Step 2: Convert to fraction form
    1,637.96/2,259.22 = 1,047.88/x
  3. Step 3: Cross multiply
    1,637.96x = 2,259.22 × 1,047.88
  4. Step 4: Simplify right side
    1,637.96x = 2,367,391.45
  5. Step 5: Solve for x
    x = 2,367,391.45/1,637.96
  6. Step 6: Final answer
    x = 1,445.33

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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.