Home / 2,715.22-4,069.98-1,154.86

Finding the Fourth Proportional to 2,715.22, 4,069.98 and 1,154.86

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Solution

The fourth proportional to 2,715.22, 4,069.98 and 1,154.86 is: 1,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.22 : 4,069.98 = 1,154.86 : x
  2. Step 2: Convert to fraction form
    2,715.22/4,069.98 = 1,154.86/x
  3. Step 3: Cross multiply
    2,715.22x = 4,069.98 × 1,154.86
  4. Step 4: Simplify right side
    2,715.22x = 4,700,257.10
  5. Step 5: Solve for x
    x = 4,700,257.10/2,715.22
  6. Step 6: Final answer
    x = 1,731.08

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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.