Home / 2,360.32-3,257.36-1,312.36

Finding the Fourth Proportional to 2,360.32, 3,257.36 and 1,312.36

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Solution

The fourth proportional to 2,360.32, 3,257.36 and 1,312.36 is: 1,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.32 : 3,257.36 = 1,312.36 : x
  2. Step 2: Convert to fraction form
    2,360.32/3,257.36 = 1,312.36/x
  3. Step 3: Cross multiply
    2,360.32x = 3,257.36 × 1,312.36
  4. Step 4: Simplify right side
    2,360.32x = 4,274,828.97
  5. Step 5: Solve for x
    x = 4,274,828.97/2,360.32
  6. Step 6: Final answer
    x = 1,811.12

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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.