Home / 2,307.60-3,461.58-1,138.23

Finding the Fourth Proportional to 2,307.60, 3,461.58 and 1,138.23

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Solution

The fourth proportional to 2,307.60, 3,461.58 and 1,138.23 is: 1,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.60 : 3,461.58 = 1,138.23 : x
  2. Step 2: Convert to fraction form
    2,307.60/3,461.58 = 1,138.23/x
  3. Step 3: Cross multiply
    2,307.60x = 3,461.58 × 1,138.23
  4. Step 4: Simplify right side
    2,307.60x = 3,940,074.20
  5. Step 5: Solve for x
    x = 3,940,074.20/2,307.60
  6. Step 6: Final answer
    x = 1,707.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.