Home / 3,156.51-4,735.58-1,307.01

Finding the Fourth Proportional to 3,156.51, 4,735.58 and 1,307.01

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Solution

The fourth proportional to 3,156.51, 4,735.58 and 1,307.01 is: 1,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.51 : 4,735.58 = 1,307.01 : x
  2. Step 2: Convert to fraction form
    3,156.51/4,735.58 = 1,307.01/x
  3. Step 3: Cross multiply
    3,156.51x = 4,735.58 × 1,307.01
  4. Step 4: Simplify right side
    3,156.51x = 6,189,443.88
  5. Step 5: Solve for x
    x = 6,189,443.88/3,156.51
  6. Step 6: Final answer
    x = 1,960.85

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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.