Home / 3,362.51-4,640.39-1,870.60

Finding the Fourth Proportional to 3,362.51, 4,640.39 and 1,870.60

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Solution

The fourth proportional to 3,362.51, 4,640.39 and 1,870.60 is: 2,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.51 : 4,640.39 = 1,870.60 : x
  2. Step 2: Convert to fraction form
    3,362.51/4,640.39 = 1,870.60/x
  3. Step 3: Cross multiply
    3,362.51x = 4,640.39 × 1,870.60
  4. Step 4: Simplify right side
    3,362.51x = 8,680,313.53
  5. Step 5: Solve for x
    x = 8,680,313.53/3,362.51
  6. Step 6: Final answer
    x = 2,581.50

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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.