Home / 1,809.63-2,701.38-1,674.36

Finding the Fourth Proportional to 1,809.63, 2,701.38 and 1,674.36

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Solution

The fourth proportional to 1,809.63, 2,701.38 and 1,674.36 is: 2,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.63 : 2,701.38 = 1,674.36 : x
  2. Step 2: Convert to fraction form
    1,809.63/2,701.38 = 1,674.36/x
  3. Step 3: Cross multiply
    1,809.63x = 2,701.38 × 1,674.36
  4. Step 4: Simplify right side
    1,809.63x = 4,523,082.62
  5. Step 5: Solve for x
    x = 4,523,082.62/1,809.63
  6. Step 6: Final answer
    x = 2,499.45

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1.5x scale

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.