Home / 2,360.53-3,257.78-1,312.59

Finding the Fourth Proportional to 2,360.53, 3,257.78 and 1,312.59

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Solution

The fourth proportional to 2,360.53, 3,257.78 and 1,312.59 is: 1,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.53 : 3,257.78 = 1,312.59 : x
  2. Step 2: Convert to fraction form
    2,360.53/3,257.78 = 1,312.59/x
  3. Step 3: Cross multiply
    2,360.53x = 3,257.78 × 1,312.59
  4. Step 4: Simplify right side
    2,360.53x = 4,276,129.45
  5. Step 5: Solve for x
    x = 4,276,129.45/2,360.53
  6. Step 6: Final answer
    x = 1,811.51

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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.