Home / 2,715.13-4,069.54-1,154.64

Finding the Fourth Proportional to 2,715.13, 4,069.54 and 1,154.64

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Solution

The fourth proportional to 2,715.13, 4,069.54 and 1,154.64 is: 1,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.13 : 4,069.54 = 1,154.64 : x
  2. Step 2: Convert to fraction form
    2,715.13/4,069.54 = 1,154.64/x
  3. Step 3: Cross multiply
    2,715.13x = 4,069.54 × 1,154.64
  4. Step 4: Simplify right side
    2,715.13x = 4,698,853.67
  5. Step 5: Solve for x
    x = 4,698,853.67/2,715.13
  6. Step 6: Final answer
    x = 1,730.62

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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.