Home / 1,817.37-2,506.53-1,258.77

Finding the Fourth Proportional to 1,817.37, 2,506.53 and 1,258.77

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Solution

The fourth proportional to 1,817.37, 2,506.53 and 1,258.77 is: 1,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.37 : 2,506.53 = 1,258.77 : x
  2. Step 2: Convert to fraction form
    1,817.37/2,506.53 = 1,258.77/x
  3. Step 3: Cross multiply
    1,817.37x = 2,506.53 × 1,258.77
  4. Step 4: Simplify right side
    1,817.37x = 3,155,144.77
  5. Step 5: Solve for x
    x = 3,155,144.77/1,817.37
  6. Step 6: Final answer
    x = 1,736.10

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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.