Home / 3,533.43-4,875.13-2,275.21

Finding the Fourth Proportional to 3,533.43, 4,875.13 and 2,275.21

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Solution

The fourth proportional to 3,533.43, 4,875.13 and 2,275.21 is: 3,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.43 : 4,875.13 = 2,275.21 : x
  2. Step 2: Convert to fraction form
    3,533.43/4,875.13 = 2,275.21/x
  3. Step 3: Cross multiply
    3,533.43x = 4,875.13 × 2,275.21
  4. Step 4: Simplify right side
    3,533.43x = 11,091,944.53
  5. Step 5: Solve for x
    x = 11,091,944.53/3,533.43
  6. Step 6: Final answer
    x = 3,139.14

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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.