Home / 2,418.51-3,337.16-1,370.91

Finding the Fourth Proportional to 2,418.51, 3,337.16 and 1,370.91

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Solution

The fourth proportional to 2,418.51, 3,337.16 and 1,370.91 is: 1,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.51 : 3,337.16 = 1,370.91 : x
  2. Step 2: Convert to fraction form
    2,418.51/3,337.16 = 1,370.91/x
  3. Step 3: Cross multiply
    2,418.51x = 3,337.16 × 1,370.91
  4. Step 4: Simplify right side
    2,418.51x = 4,574,939.16
  5. Step 5: Solve for x
    x = 4,574,939.16/2,418.51
  6. Step 6: Final answer
    x = 1,891.64

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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.