Home / 2,680.04-4,040.12-2,501.64

Finding the Fourth Proportional to 2,680.04, 4,040.12 and 2,501.64

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Solution

The fourth proportional to 2,680.04, 4,040.12 and 2,501.64 is: 3,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.04 : 4,040.12 = 2,501.64 : x
  2. Step 2: Convert to fraction form
    2,680.04/4,040.12 = 2,501.64/x
  3. Step 3: Cross multiply
    2,680.04x = 4,040.12 × 2,501.64
  4. Step 4: Simplify right side
    2,680.04x = 10,106,925.80
  5. Step 5: Solve for x
    x = 10,106,925.80/2,680.04
  6. Step 6: Final answer
    x = 3,771.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.