Home / 3,384.16-4,666.40-2,911.52

Finding the Fourth Proportional to 3,384.16, 4,666.40 and 2,911.52

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Solution

The fourth proportional to 3,384.16, 4,666.40 and 2,911.52 is: 4,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.16 : 4,666.40 = 2,911.52 : x
  2. Step 2: Convert to fraction form
    3,384.16/4,666.40 = 2,911.52/x
  3. Step 3: Cross multiply
    3,384.16x = 4,666.40 × 2,911.52
  4. Step 4: Simplify right side
    3,384.16x = 13,586,316.93
  5. Step 5: Solve for x
    x = 13,586,316.93/3,384.16
  6. Step 6: Final answer
    x = 4,014.68

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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.