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Finding the Fourth Proportional to 3,011.69, 4,510.53 and 2,928.65

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Solution

The fourth proportional to 3,011.69, 4,510.53 and 2,928.65 is: 4,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.69 : 4,510.53 = 2,928.65 : x
  2. Step 2: Convert to fraction form
    3,011.69/4,510.53 = 2,928.65/x
  3. Step 3: Cross multiply
    3,011.69x = 4,510.53 × 2,928.65
  4. Step 4: Simplify right side
    3,011.69x = 13,209,763.68
  5. Step 5: Solve for x
    x = 13,209,763.68/3,011.69
  6. Step 6: Final answer
    x = 4,386.16

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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.