Home / 2,786.34-4,176.27-1,487.10

Finding the Fourth Proportional to 2,786.34, 4,176.27 and 1,487.10

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Solution

The fourth proportional to 2,786.34, 4,176.27 and 1,487.10 is: 2,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.34 : 4,176.27 = 1,487.10 : x
  2. Step 2: Convert to fraction form
    2,786.34/4,176.27 = 1,487.10/x
  3. Step 3: Cross multiply
    2,786.34x = 4,176.27 × 1,487.10
  4. Step 4: Simplify right side
    2,786.34x = 6,210,531.12
  5. Step 5: Solve for x
    x = 6,210,531.12/2,786.34
  6. Step 6: Final answer
    x = 2,228.92

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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.