Home / 3,111.95-4,666.54-1,650.77

Finding the Fourth Proportional to 3,111.95, 4,666.54 and 1,650.77

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Solution

The fourth proportional to 3,111.95, 4,666.54 and 1,650.77 is: 2,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.95 : 4,666.54 = 1,650.77 : x
  2. Step 2: Convert to fraction form
    3,111.95/4,666.54 = 1,650.77/x
  3. Step 3: Cross multiply
    3,111.95x = 4,666.54 × 1,650.77
  4. Step 4: Simplify right side
    3,111.95x = 7,703,384.24
  5. Step 5: Solve for x
    x = 7,703,384.24/3,111.95
  6. Step 6: Final answer
    x = 2,475.42

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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.