Home / 2,765.57-3,816.58-1,506.68

Finding the Fourth Proportional to 2,765.57, 3,816.58 and 1,506.68

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Solution

The fourth proportional to 2,765.57, 3,816.58 and 1,506.68 is: 2,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.57 : 3,816.58 = 1,506.68 : x
  2. Step 2: Convert to fraction form
    2,765.57/3,816.58 = 1,506.68/x
  3. Step 3: Cross multiply
    2,765.57x = 3,816.58 × 1,506.68
  4. Step 4: Simplify right side
    2,765.57x = 5,750,341.90
  5. Step 5: Solve for x
    x = 5,750,341.90/2,765.57
  6. Step 6: Final answer
    x = 2,079.26

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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.