Home / 3,528.10-4,864.08-2,928.34

Finding the Fourth Proportional to 3,528.10, 4,864.08 and 2,928.34

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Solution

The fourth proportional to 3,528.10, 4,864.08 and 2,928.34 is: 4,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.10 : 4,864.08 = 2,928.34 : x
  2. Step 2: Convert to fraction form
    3,528.10/4,864.08 = 2,928.34/x
  3. Step 3: Cross multiply
    3,528.10x = 4,864.08 × 2,928.34
  4. Step 4: Simplify right side
    3,528.10x = 14,243,680.03
  5. Step 5: Solve for x
    x = 14,243,680.03/3,528.10
  6. Step 6: Final answer
    x = 4,037.21

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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.