Home / 2,876.67-4,315.41-1,490.16

Finding the Fourth Proportional to 2,876.67, 4,315.41 and 1,490.16

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Solution

The fourth proportional to 2,876.67, 4,315.41 and 1,490.16 is: 2,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.67 : 4,315.41 = 1,490.16 : x
  2. Step 2: Convert to fraction form
    2,876.67/4,315.41 = 1,490.16/x
  3. Step 3: Cross multiply
    2,876.67x = 4,315.41 × 1,490.16
  4. Step 4: Simplify right side
    2,876.67x = 6,430,651.37
  5. Step 5: Solve for x
    x = 6,430,651.37/2,876.67
  6. Step 6: Final answer
    x = 2,235.45

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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.