Home / 3,130.85-4,696.35-1,050.92

Finding the Fourth Proportional to 3,130.85, 4,696.35 and 1,050.92

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Solution

The fourth proportional to 3,130.85, 4,696.35 and 1,050.92 is: 1,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.85 : 4,696.35 = 1,050.92 : x
  2. Step 2: Convert to fraction form
    3,130.85/4,696.35 = 1,050.92/x
  3. Step 3: Cross multiply
    3,130.85x = 4,696.35 × 1,050.92
  4. Step 4: Simplify right side
    3,130.85x = 4,935,494.01
  5. Step 5: Solve for x
    x = 4,935,494.01/3,130.85
  6. Step 6: Final answer
    x = 1,576.41

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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.