Home / 1,674.35-2,309.74-1,085.07

Finding the Fourth Proportional to 1,674.35, 2,309.74 and 1,085.07

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Solution

The fourth proportional to 1,674.35, 2,309.74 and 1,085.07 is: 1,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.35 : 2,309.74 = 1,085.07 : x
  2. Step 2: Convert to fraction form
    1,674.35/2,309.74 = 1,085.07/x
  3. Step 3: Cross multiply
    1,674.35x = 2,309.74 × 1,085.07
  4. Step 4: Simplify right side
    1,674.35x = 2,506,226.87
  5. Step 5: Solve for x
    x = 2,506,226.87/1,674.35
  6. Step 6: Final answer
    x = 1,496.84

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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.