Home / 2,887.30-4,328.22-2,630.50

Finding the Fourth Proportional to 2,887.30, 4,328.22 and 2,630.50

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Solution

The fourth proportional to 2,887.30, 4,328.22 and 2,630.50 is: 3,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.30 : 4,328.22 = 2,630.50 : x
  2. Step 2: Convert to fraction form
    2,887.30/4,328.22 = 2,630.50/x
  3. Step 3: Cross multiply
    2,887.30x = 4,328.22 × 2,630.50
  4. Step 4: Simplify right side
    2,887.30x = 11,385,382.71
  5. Step 5: Solve for x
    x = 11,385,382.71/2,887.30
  6. Step 6: Final answer
    x = 3,943.26

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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.