Home / 3,612.09-4,984.37-2,119.74

Finding the Fourth Proportional to 3,612.09, 4,984.37 and 2,119.74

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Solution

The fourth proportional to 3,612.09, 4,984.37 and 2,119.74 is: 2,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.09 : 4,984.37 = 2,119.74 : x
  2. Step 2: Convert to fraction form
    3,612.09/4,984.37 = 2,119.74/x
  3. Step 3: Cross multiply
    3,612.09x = 4,984.37 × 2,119.74
  4. Step 4: Simplify right side
    3,612.09x = 10,565,547.12
  5. Step 5: Solve for x
    x = 10,565,547.12/3,612.09
  6. Step 6: Final answer
    x = 2,925.05

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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.