Home / 4,260.72-5,878.95-2,491.98

Finding the Fourth Proportional to 4,260.72, 5,878.95 and 2,491.98

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Solution

The fourth proportional to 4,260.72, 5,878.95 and 2,491.98 is: 3,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.72 : 5,878.95 = 2,491.98 : x
  2. Step 2: Convert to fraction form
    4,260.72/5,878.95 = 2,491.98/x
  3. Step 3: Cross multiply
    4,260.72x = 5,878.95 × 2,491.98
  4. Step 4: Simplify right side
    4,260.72x = 14,650,225.82
  5. Step 5: Solve for x
    x = 14,650,225.82/4,260.72
  6. Step 6: Final answer
    x = 3,438.44

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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.