Home / 3,085.90-4,258.85-1,760.03

Finding the Fourth Proportional to 3,085.90, 4,258.85 and 1,760.03

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Solution

The fourth proportional to 3,085.90, 4,258.85 and 1,760.03 is: 2,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.90 : 4,258.85 = 1,760.03 : x
  2. Step 2: Convert to fraction form
    3,085.90/4,258.85 = 1,760.03/x
  3. Step 3: Cross multiply
    3,085.90x = 4,258.85 × 1,760.03
  4. Step 4: Simplify right side
    3,085.90x = 7,495,689.64
  5. Step 5: Solve for x
    x = 7,495,689.64/3,085.90
  6. Step 6: Final answer
    x = 2,429.01

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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.