Home / 2,403.95-3,314.72-1,960.47

Finding the Fourth Proportional to 2,403.95, 3,314.72 and 1,960.47

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Solution

The fourth proportional to 2,403.95, 3,314.72 and 1,960.47 is: 2,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.95 : 3,314.72 = 1,960.47 : x
  2. Step 2: Convert to fraction form
    2,403.95/3,314.72 = 1,960.47/x
  3. Step 3: Cross multiply
    2,403.95x = 3,314.72 × 1,960.47
  4. Step 4: Simplify right side
    2,403.95x = 6,498,399.32
  5. Step 5: Solve for x
    x = 6,498,399.32/2,403.95
  6. Step 6: Final answer
    x = 2,703.22

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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.