Home / 2,718.95-4,077.03-1,330.19

Finding the Fourth Proportional to 2,718.95, 4,077.03 and 1,330.19

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Solution

The fourth proportional to 2,718.95, 4,077.03 and 1,330.19 is: 1,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.95 : 4,077.03 = 1,330.19 : x
  2. Step 2: Convert to fraction form
    2,718.95/4,077.03 = 1,330.19/x
  3. Step 3: Cross multiply
    2,718.95x = 4,077.03 × 1,330.19
  4. Step 4: Simplify right side
    2,718.95x = 5,423,224.54
  5. Step 5: Solve for x
    x = 5,423,224.54/2,718.95
  6. Step 6: Final answer
    x = 1,994.60

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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.