Home / 3,510.40-4,845.12-2,184.64

Finding the Fourth Proportional to 3,510.40, 4,845.12 and 2,184.64

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Solution

The fourth proportional to 3,510.40, 4,845.12 and 2,184.64 is: 3,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.40 : 4,845.12 = 2,184.64 : x
  2. Step 2: Convert to fraction form
    3,510.40/4,845.12 = 2,184.64/x
  3. Step 3: Cross multiply
    3,510.40x = 4,845.12 × 2,184.64
  4. Step 4: Simplify right side
    3,510.40x = 10,584,842.96
  5. Step 5: Solve for x
    x = 10,584,842.96/3,510.40
  6. Step 6: Final answer
    x = 3,015.28

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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.