Home / 1,573.35-2,169.90-1,325.25

Finding the Fourth Proportional to 1,573.35, 2,169.90 and 1,325.25

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Solution

The fourth proportional to 1,573.35, 2,169.90 and 1,325.25 is: 1,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.35 : 2,169.90 = 1,325.25 : x
  2. Step 2: Convert to fraction form
    1,573.35/2,169.90 = 1,325.25/x
  3. Step 3: Cross multiply
    1,573.35x = 2,169.90 × 1,325.25
  4. Step 4: Simplify right side
    1,573.35x = 2,875,659.98
  5. Step 5: Solve for x
    x = 2,875,659.98/1,573.35
  6. Step 6: Final answer
    x = 1,827.73

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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.