Home / 2,011.50-2,776.95-1,568.34

Finding the Fourth Proportional to 2,011.50, 2,776.95 and 1,568.34

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Solution

The fourth proportional to 2,011.50, 2,776.95 and 1,568.34 is: 2,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.50 : 2,776.95 = 1,568.34 : x
  2. Step 2: Convert to fraction form
    2,011.50/2,776.95 = 1,568.34/x
  3. Step 3: Cross multiply
    2,011.50x = 2,776.95 × 1,568.34
  4. Step 4: Simplify right side
    2,011.50x = 4,355,201.76
  5. Step 5: Solve for x
    x = 4,355,201.76/2,011.50
  6. Step 6: Final answer
    x = 2,165.15

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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.