Home / 2,051.95-2,831.40-1,167.64

Finding the Fourth Proportional to 2,051.95, 2,831.40 and 1,167.64

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Solution

The fourth proportional to 2,051.95, 2,831.40 and 1,167.64 is: 1,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.95 : 2,831.40 = 1,167.64 : x
  2. Step 2: Convert to fraction form
    2,051.95/2,831.40 = 1,167.64/x
  3. Step 3: Cross multiply
    2,051.95x = 2,831.40 × 1,167.64
  4. Step 4: Simplify right side
    2,051.95x = 3,306,055.90
  5. Step 5: Solve for x
    x = 3,306,055.90/2,051.95
  6. Step 6: Final answer
    x = 1,611.18

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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.