Home / 4,155.30-6,232.59-1,381.08

Finding the Fourth Proportional to 4,155.30, 6,232.59 and 1,381.08

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Solution

The fourth proportional to 4,155.30, 6,232.59 and 1,381.08 is: 2,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.30 : 6,232.59 = 1,381.08 : x
  2. Step 2: Convert to fraction form
    4,155.30/6,232.59 = 1,381.08/x
  3. Step 3: Cross multiply
    4,155.30x = 6,232.59 × 1,381.08
  4. Step 4: Simplify right side
    4,155.30x = 8,607,705.40
  5. Step 5: Solve for x
    x = 8,607,705.40/4,155.30
  6. Step 6: Final answer
    x = 2,071.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.