Home / 3,378.04-4,661.68-1,885.87

Finding the Fourth Proportional to 3,378.04, 4,661.68 and 1,885.87

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Solution

The fourth proportional to 3,378.04, 4,661.68 and 1,885.87 is: 2,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.04 : 4,661.68 = 1,885.87 : x
  2. Step 2: Convert to fraction form
    3,378.04/4,661.68 = 1,885.87/x
  3. Step 3: Cross multiply
    3,378.04x = 4,661.68 × 1,885.87
  4. Step 4: Simplify right side
    3,378.04x = 8,791,322.46
  5. Step 5: Solve for x
    x = 8,791,322.46/3,378.04
  6. Step 6: Final answer
    x = 2,602.49

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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.