Home / 2,316.24-3,196.80-1,384.92

Finding the Fourth Proportional to 2,316.24, 3,196.80 and 1,384.92

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Solution

The fourth proportional to 2,316.24, 3,196.80 and 1,384.92 is: 1,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.24 : 3,196.80 = 1,384.92 : x
  2. Step 2: Convert to fraction form
    2,316.24/3,196.80 = 1,384.92/x
  3. Step 3: Cross multiply
    2,316.24x = 3,196.80 × 1,384.92
  4. Step 4: Simplify right side
    2,316.24x = 4,427,312.26
  5. Step 5: Solve for x
    x = 4,427,312.26/2,316.24
  6. Step 6: Final answer
    x = 1,911.42

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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.