Home / 2,360.84-3,257.91-1,312.88

Finding the Fourth Proportional to 2,360.84, 3,257.91 and 1,312.88

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Solution

The fourth proportional to 2,360.84, 3,257.91 and 1,312.88 is: 1,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.84 : 3,257.91 = 1,312.88 : x
  2. Step 2: Convert to fraction form
    2,360.84/3,257.91 = 1,312.88/x
  3. Step 3: Cross multiply
    2,360.84x = 3,257.91 × 1,312.88
  4. Step 4: Simplify right side
    2,360.84x = 4,277,228.59
  5. Step 5: Solve for x
    x = 4,277,228.59/2,360.84
  6. Step 6: Final answer
    x = 1,811.74

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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.