Home / 3,946.08-5,446.08-2,547.84

Finding the Fourth Proportional to 3,946.08, 5,446.08 and 2,547.84

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Solution

The fourth proportional to 3,946.08, 5,446.08 and 2,547.84 is: 3,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.08 : 5,446.08 = 2,547.84 : x
  2. Step 2: Convert to fraction form
    3,946.08/5,446.08 = 2,547.84/x
  3. Step 3: Cross multiply
    3,946.08x = 5,446.08 × 2,547.84
  4. Step 4: Simplify right side
    3,946.08x = 13,875,740.47
  5. Step 5: Solve for x
    x = 13,875,740.47/3,946.08
  6. Step 6: Final answer
    x = 3,516.34

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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.