Home / 1,903.28-2,626.32-1,157.07

Finding the Fourth Proportional to 1,903.28, 2,626.32 and 1,157.07

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Solution

The fourth proportional to 1,903.28, 2,626.32 and 1,157.07 is: 1,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.28 : 2,626.32 = 1,157.07 : x
  2. Step 2: Convert to fraction form
    1,903.28/2,626.32 = 1,157.07/x
  3. Step 3: Cross multiply
    1,903.28x = 2,626.32 × 1,157.07
  4. Step 4: Simplify right side
    1,903.28x = 3,038,836.08
  5. Step 5: Solve for x
    x = 3,038,836.08/1,903.28
  6. Step 6: Final answer
    x = 1,596.64

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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.