Home / 3,530.60-4,871.54-2,018.63

Finding the Fourth Proportional to 3,530.60, 4,871.54 and 2,018.63

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Solution

The fourth proportional to 3,530.60, 4,871.54 and 2,018.63 is: 2,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.60 : 4,871.54 = 2,018.63 : x
  2. Step 2: Convert to fraction form
    3,530.60/4,871.54 = 2,018.63/x
  3. Step 3: Cross multiply
    3,530.60x = 4,871.54 × 2,018.63
  4. Step 4: Simplify right side
    3,530.60x = 9,833,836.79
  5. Step 5: Solve for x
    x = 9,833,836.79/3,530.60
  6. Step 6: Final answer
    x = 2,785.32

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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.