Home / 2,913.46-4,013.52-2,166.13

Finding the Fourth Proportional to 2,913.46, 4,013.52 and 2,166.13

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Solution

The fourth proportional to 2,913.46, 4,013.52 and 2,166.13 is: 2,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.46 : 4,013.52 = 2,166.13 : x
  2. Step 2: Convert to fraction form
    2,913.46/4,013.52 = 2,166.13/x
  3. Step 3: Cross multiply
    2,913.46x = 4,013.52 × 2,166.13
  4. Step 4: Simplify right side
    2,913.46x = 8,693,806.08
  5. Step 5: Solve for x
    x = 8,693,806.08/2,913.46
  6. Step 6: Final answer
    x = 2,984.01

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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.