Home / 3,461.20-4,776.48-1,889.32

Finding the Fourth Proportional to 3,461.20, 4,776.48 and 1,889.32

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Solution

The fourth proportional to 3,461.20, 4,776.48 and 1,889.32 is: 2,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.20 : 4,776.48 = 1,889.32 : x
  2. Step 2: Convert to fraction form
    3,461.20/4,776.48 = 1,889.32/x
  3. Step 3: Cross multiply
    3,461.20x = 4,776.48 × 1,889.32
  4. Step 4: Simplify right side
    3,461.20x = 9,024,299.19
  5. Step 5: Solve for x
    x = 9,024,299.19/3,461.20
  6. Step 6: Final answer
    x = 2,607.27

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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.