Home / 3,011.55-4,156.99-2,070.46

Finding the Fourth Proportional to 3,011.55, 4,156.99 and 2,070.46

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Solution

The fourth proportional to 3,011.55, 4,156.99 and 2,070.46 is: 2,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.55 : 4,156.99 = 2,070.46 : x
  2. Step 2: Convert to fraction form
    3,011.55/4,156.99 = 2,070.46/x
  3. Step 3: Cross multiply
    3,011.55x = 4,156.99 × 2,070.46
  4. Step 4: Simplify right side
    3,011.55x = 8,606,881.52
  5. Step 5: Solve for x
    x = 8,606,881.52/3,011.55
  6. Step 6: Final answer
    x = 2,857.96

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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.