Home / 1,648.15-2,473.13-1,185.23

Finding the Fourth Proportional to 1,648.15, 2,473.13 and 1,185.23

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Solution

The fourth proportional to 1,648.15, 2,473.13 and 1,185.23 is: 1,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.15 : 2,473.13 = 1,185.23 : x
  2. Step 2: Convert to fraction form
    1,648.15/2,473.13 = 1,185.23/x
  3. Step 3: Cross multiply
    1,648.15x = 2,473.13 × 1,185.23
  4. Step 4: Simplify right side
    1,648.15x = 2,931,237.02
  5. Step 5: Solve for x
    x = 2,931,237.02/1,648.15
  6. Step 6: Final answer
    x = 1,778.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.