Home / 2,355.57-3,250.60-1,307.70

Finding the Fourth Proportional to 2,355.57, 3,250.60 and 1,307.70

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Solution

The fourth proportional to 2,355.57, 3,250.60 and 1,307.70 is: 1,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.57 : 3,250.60 = 1,307.70 : x
  2. Step 2: Convert to fraction form
    2,355.57/3,250.60 = 1,307.70/x
  3. Step 3: Cross multiply
    2,355.57x = 3,250.60 × 1,307.70
  4. Step 4: Simplify right side
    2,355.57x = 4,250,806.35
  5. Step 5: Solve for x
    x = 4,250,806.35/2,355.57
  6. Step 6: Final answer
    x = 1,804.58

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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.