Home / 2,475.66-3,415.58-1,767.64

Finding the Fourth Proportional to 2,475.66, 3,415.58 and 1,767.64

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Solution

The fourth proportional to 2,475.66, 3,415.58 and 1,767.64 is: 2,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.66 : 3,415.58 = 1,767.64 : x
  2. Step 2: Convert to fraction form
    2,475.66/3,415.58 = 1,767.64/x
  3. Step 3: Cross multiply
    2,475.66x = 3,415.58 × 1,767.64
  4. Step 4: Simplify right side
    2,475.66x = 6,037,515.83
  5. Step 5: Solve for x
    x = 6,037,515.83/2,475.66
  6. Step 6: Final answer
    x = 2,438.75

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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.