Home / 3,602.41-4,971.95-2,187.29

Finding the Fourth Proportional to 3,602.41, 4,971.95 and 2,187.29

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Solution

The fourth proportional to 3,602.41, 4,971.95 and 2,187.29 is: 3,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.41 : 4,971.95 = 2,187.29 : x
  2. Step 2: Convert to fraction form
    3,602.41/4,971.95 = 2,187.29/x
  3. Step 3: Cross multiply
    3,602.41x = 4,971.95 × 2,187.29
  4. Step 4: Simplify right side
    3,602.41x = 10,875,106.21
  5. Step 5: Solve for x
    x = 10,875,106.21/3,602.41
  6. Step 6: Final answer
    x = 3,018.84

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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.