Home / 2,360.74-3,257.90-1,312.87

Finding the Fourth Proportional to 2,360.74, 3,257.90 and 1,312.87

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Solution

The fourth proportional to 2,360.74, 3,257.90 and 1,312.87 is: 1,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.74 : 3,257.90 = 1,312.87 : x
  2. Step 2: Convert to fraction form
    2,360.74/3,257.90 = 1,312.87/x
  3. Step 3: Cross multiply
    2,360.74x = 3,257.90 × 1,312.87
  4. Step 4: Simplify right side
    2,360.74x = 4,277,186.17
  5. Step 5: Solve for x
    x = 4,277,186.17/2,360.74
  6. Step 6: Final answer
    x = 1,811.80

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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.