Home / 2,355.42-3,250.53-1,307.64

Finding the Fourth Proportional to 2,355.42, 3,250.53 and 1,307.64

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Solution

The fourth proportional to 2,355.42, 3,250.53 and 1,307.64 is: 1,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.42 : 3,250.53 = 1,307.64 : x
  2. Step 2: Convert to fraction form
    2,355.42/3,250.53 = 1,307.64/x
  3. Step 3: Cross multiply
    2,355.42x = 3,250.53 × 1,307.64
  4. Step 4: Simplify right side
    2,355.42x = 4,250,523.05
  5. Step 5: Solve for x
    x = 4,250,523.05/2,355.42
  6. Step 6: Final answer
    x = 1,804.57

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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.