Home / 2,511.18-3,465.32-1,376.85

Finding the Fourth Proportional to 2,511.18, 3,465.32 and 1,376.85

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Solution

The fourth proportional to 2,511.18, 3,465.32 and 1,376.85 is: 1,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.18 : 3,465.32 = 1,376.85 : x
  2. Step 2: Convert to fraction form
    2,511.18/3,465.32 = 1,376.85/x
  3. Step 3: Cross multiply
    2,511.18x = 3,465.32 × 1,376.85
  4. Step 4: Simplify right side
    2,511.18x = 4,771,225.84
  5. Step 5: Solve for x
    x = 4,771,225.84/2,511.18
  6. Step 6: Final answer
    x = 1,899.99

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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.