Home / 3,054.50-4,215.22-1,875.56

Finding the Fourth Proportional to 3,054.50, 4,215.22 and 1,875.56

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Solution

The fourth proportional to 3,054.50, 4,215.22 and 1,875.56 is: 2,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.50 : 4,215.22 = 1,875.56 : x
  2. Step 2: Convert to fraction form
    3,054.50/4,215.22 = 1,875.56/x
  3. Step 3: Cross multiply
    3,054.50x = 4,215.22 × 1,875.56
  4. Step 4: Simplify right side
    3,054.50x = 7,905,898.02
  5. Step 5: Solve for x
    x = 7,905,898.02/3,054.50
  6. Step 6: Final answer
    x = 2,588.28

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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.