Home / 1,903.29-2,626.37-1,106.42

Finding the Fourth Proportional to 1,903.29, 2,626.37 and 1,106.42

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Solution

The fourth proportional to 1,903.29, 2,626.37 and 1,106.42 is: 1,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.29 : 2,626.37 = 1,106.42 : x
  2. Step 2: Convert to fraction form
    1,903.29/2,626.37 = 1,106.42/x
  3. Step 3: Cross multiply
    1,903.29x = 2,626.37 × 1,106.42
  4. Step 4: Simplify right side
    1,903.29x = 2,905,849.63
  5. Step 5: Solve for x
    x = 2,905,849.63/1,903.29
  6. Step 6: Final answer
    x = 1,526.75

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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.