Home / 3,260.40-4,501.08-1,935.60

Finding the Fourth Proportional to 3,260.40, 4,501.08 and 1,935.60

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Solution

The fourth proportional to 3,260.40, 4,501.08 and 1,935.60 is: 2,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.40 : 4,501.08 = 1,935.60 : x
  2. Step 2: Convert to fraction form
    3,260.40/4,501.08 = 1,935.60/x
  3. Step 3: Cross multiply
    3,260.40x = 4,501.08 × 1,935.60
  4. Step 4: Simplify right side
    3,260.40x = 8,712,290.45
  5. Step 5: Solve for x
    x = 8,712,290.45/3,260.40
  6. Step 6: Final answer
    x = 2,672.15

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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.