Home / 3,011.97-4,516.91-1,430.50

Finding the Fourth Proportional to 3,011.97, 4,516.91 and 1,430.50

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Solution

The fourth proportional to 3,011.97, 4,516.91 and 1,430.50 is: 2,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.97 : 4,516.91 = 1,430.50 : x
  2. Step 2: Convert to fraction form
    3,011.97/4,516.91 = 1,430.50/x
  3. Step 3: Cross multiply
    3,011.97x = 4,516.91 × 1,430.50
  4. Step 4: Simplify right side
    3,011.97x = 6,461,432.60
  5. Step 5: Solve for x
    x = 6,461,432.60/3,011.97
  6. Step 6: Final answer
    x = 2,145.25

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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.