Home / 2,890.24-4,330.88-2,312.96

Finding the Fourth Proportional to 2,890.24, 4,330.88 and 2,312.96

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Solution

The fourth proportional to 2,890.24, 4,330.88 and 2,312.96 is: 3,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.24 : 4,330.88 = 2,312.96 : x
  2. Step 2: Convert to fraction form
    2,890.24/4,330.88 = 2,312.96/x
  3. Step 3: Cross multiply
    2,890.24x = 4,330.88 × 2,312.96
  4. Step 4: Simplify right side
    2,890.24x = 10,017,152.20
  5. Step 5: Solve for x
    x = 10,017,152.20/2,890.24
  6. Step 6: Final answer
    x = 3,465.85

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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.