Home / 3,007.13-4,152.40-1,889.93

Finding the Fourth Proportional to 3,007.13, 4,152.40 and 1,889.93

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Solution

The fourth proportional to 3,007.13, 4,152.40 and 1,889.93 is: 2,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.13 : 4,152.40 = 1,889.93 : x
  2. Step 2: Convert to fraction form
    3,007.13/4,152.40 = 1,889.93/x
  3. Step 3: Cross multiply
    3,007.13x = 4,152.40 × 1,889.93
  4. Step 4: Simplify right side
    3,007.13x = 7,847,750.99
  5. Step 5: Solve for x
    x = 7,847,750.99/3,007.13
  6. Step 6: Final answer
    x = 2,609.72

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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.