Home / 4,200.24-5,798.32-2,431.20

Finding the Fourth Proportional to 4,200.24, 5,798.32 and 2,431.20

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Solution

The fourth proportional to 4,200.24, 5,798.32 and 2,431.20 is: 3,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.24 : 5,798.32 = 2,431.20 : x
  2. Step 2: Convert to fraction form
    4,200.24/5,798.32 = 2,431.20/x
  3. Step 3: Cross multiply
    4,200.24x = 5,798.32 × 2,431.20
  4. Step 4: Simplify right side
    4,200.24x = 14,096,875.58
  5. Step 5: Solve for x
    x = 14,096,875.58/4,200.24
  6. Step 6: Final answer
    x = 3,356.21

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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.