Home / 2,913.14-4,020.00-1,586.77

Finding the Fourth Proportional to 2,913.14, 4,020.00 and 1,586.77

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Solution

The fourth proportional to 2,913.14, 4,020.00 and 1,586.77 is: 2,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.14 : 4,020.00 = 1,586.77 : x
  2. Step 2: Convert to fraction form
    2,913.14/4,020.00 = 1,586.77/x
  3. Step 3: Cross multiply
    2,913.14x = 4,020.00 × 1,586.77
  4. Step 4: Simplify right side
    2,913.14x = 6,378,799.40
  5. Step 5: Solve for x
    x = 6,378,799.40/2,913.14
  6. Step 6: Final answer
    x = 2,189.66

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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.