Home / 1,506.94-2,081.56-1,157.18

Finding the Fourth Proportional to 1,506.94, 2,081.56 and 1,157.18

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Solution

The fourth proportional to 1,506.94, 2,081.56 and 1,157.18 is: 1,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.94 : 2,081.56 = 1,157.18 : x
  2. Step 2: Convert to fraction form
    1,506.94/2,081.56 = 1,157.18/x
  3. Step 3: Cross multiply
    1,506.94x = 2,081.56 × 1,157.18
  4. Step 4: Simplify right side
    1,506.94x = 2,408,739.60
  5. Step 5: Solve for x
    x = 2,408,739.60/1,506.94
  6. Step 6: Final answer
    x = 1,598.43

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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.