Home / 3,530.73-4,871.76-2,038.10

Finding the Fourth Proportional to 3,530.73, 4,871.76 and 2,038.10

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Solution

The fourth proportional to 3,530.73, 4,871.76 and 2,038.10 is: 2,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.73 : 4,871.76 = 2,038.10 : x
  2. Step 2: Convert to fraction form
    3,530.73/4,871.76 = 2,038.10/x
  3. Step 3: Cross multiply
    3,530.73x = 4,871.76 × 2,038.10
  4. Step 4: Simplify right side
    3,530.73x = 9,929,134.06
  5. Step 5: Solve for x
    x = 9,929,134.06/3,530.73
  6. Step 6: Final answer
    x = 2,812.20

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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.