Home / 3,045.70-4,568.55-2,124.10

Finding the Fourth Proportional to 3,045.70, 4,568.55 and 2,124.10

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Solution

The fourth proportional to 3,045.70, 4,568.55 and 2,124.10 is: 3,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.70 : 4,568.55 = 2,124.10 : x
  2. Step 2: Convert to fraction form
    3,045.70/4,568.55 = 2,124.10/x
  3. Step 3: Cross multiply
    3,045.70x = 4,568.55 × 2,124.10
  4. Step 4: Simplify right side
    3,045.70x = 9,704,057.06
  5. Step 5: Solve for x
    x = 9,704,057.06/3,045.70
  6. Step 6: Final answer
    x = 3,186.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.