Home / 2,392.83-3,302.23-1,398.05

Finding the Fourth Proportional to 2,392.83, 3,302.23 and 1,398.05

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Solution

The fourth proportional to 2,392.83, 3,302.23 and 1,398.05 is: 1,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.83 : 3,302.23 = 1,398.05 : x
  2. Step 2: Convert to fraction form
    2,392.83/3,302.23 = 1,398.05/x
  3. Step 3: Cross multiply
    2,392.83x = 3,302.23 × 1,398.05
  4. Step 4: Simplify right side
    2,392.83x = 4,616,682.65
  5. Step 5: Solve for x
    x = 4,616,682.65/2,392.83
  6. Step 6: Final answer
    x = 1,929.38

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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.