Home / 2,051.81-2,831.50-1,266.32

Finding the Fourth Proportional to 2,051.81, 2,831.50 and 1,266.32

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Solution

The fourth proportional to 2,051.81, 2,831.50 and 1,266.32 is: 1,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.81 : 2,831.50 = 1,266.32 : x
  2. Step 2: Convert to fraction form
    2,051.81/2,831.50 = 1,266.32/x
  3. Step 3: Cross multiply
    2,051.81x = 2,831.50 × 1,266.32
  4. Step 4: Simplify right side
    2,051.81x = 3,585,585.08
  5. Step 5: Solve for x
    x = 3,585,585.08/2,051.81
  6. Step 6: Final answer
    x = 1,747.52

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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.