Home / 2,360.86-3,258.06-1,312.90

Finding the Fourth Proportional to 2,360.86, 3,258.06 and 1,312.90

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Solution

The fourth proportional to 2,360.86, 3,258.06 and 1,312.90 is: 1,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.86 : 3,258.06 = 1,312.90 : x
  2. Step 2: Convert to fraction form
    2,360.86/3,258.06 = 1,312.90/x
  3. Step 3: Cross multiply
    2,360.86x = 3,258.06 × 1,312.90
  4. Step 4: Simplify right side
    2,360.86x = 4,277,506.97
  5. Step 5: Solve for x
    x = 4,277,506.97/2,360.86
  6. Step 6: Final answer
    x = 1,811.84

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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.