Home / 2,051.60-2,831.34-1,265.68

Finding the Fourth Proportional to 2,051.60, 2,831.34 and 1,265.68

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Solution

The fourth proportional to 2,051.60, 2,831.34 and 1,265.68 is: 1,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.60 : 2,831.34 = 1,265.68 : x
  2. Step 2: Convert to fraction form
    2,051.60/2,831.34 = 1,265.68/x
  3. Step 3: Cross multiply
    2,051.60x = 2,831.34 × 1,265.68
  4. Step 4: Simplify right side
    2,051.60x = 3,583,570.41
  5. Step 5: Solve for x
    x = 3,583,570.41/2,051.60
  6. Step 6: Final answer
    x = 1,746.72

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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.