Home / 2,719.16-4,055.87-2,470

Finding the Fourth Proportional to 2,719.16, 4,055.87 and 2,470

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Solution

The fourth proportional to 2,719.16, 4,055.87 and 2,470 is: 3,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.16 : 4,055.87 = 2,470 : x
  2. Step 2: Convert to fraction form
    2,719.16/4,055.87 = 2,470/x
  3. Step 3: Cross multiply
    2,719.16x = 4,055.87 × 2,470
  4. Step 4: Simplify right side
    2,719.16x = 10,017,998.90
  5. Step 5: Solve for x
    x = 10,017,998.90/2,719.16
  6. Step 6: Final answer
    x = 3,684.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.