Home / 1,738.21-2,595.95-1,392.07

Finding the Fourth Proportional to 1,738.21, 2,595.95 and 1,392.07

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Solution

The fourth proportional to 1,738.21, 2,595.95 and 1,392.07 is: 2,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.21 : 2,595.95 = 1,392.07 : x
  2. Step 2: Convert to fraction form
    1,738.21/2,595.95 = 1,392.07/x
  3. Step 3: Cross multiply
    1,738.21x = 2,595.95 × 1,392.07
  4. Step 4: Simplify right side
    1,738.21x = 3,613,744.12
  5. Step 5: Solve for x
    x = 3,613,744.12/1,738.21
  6. Step 6: Final answer
    x = 2,079.00

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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.