Home / 2,988.66-4,115.95-2,924.08

Finding the Fourth Proportional to 2,988.66, 4,115.95 and 2,924.08

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Solution

The fourth proportional to 2,988.66, 4,115.95 and 2,924.08 is: 4,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.66 : 4,115.95 = 2,924.08 : x
  2. Step 2: Convert to fraction form
    2,988.66/4,115.95 = 2,924.08/x
  3. Step 3: Cross multiply
    2,988.66x = 4,115.95 × 2,924.08
  4. Step 4: Simplify right side
    2,988.66x = 12,035,367.08
  5. Step 5: Solve for x
    x = 12,035,367.08/2,988.66
  6. Step 6: Final answer
    x = 4,027.01

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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.