Home / 3,931.58-5,870.08-3,537.92

Finding the Fourth Proportional to 3,931.58, 5,870.08 and 3,537.92

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Solution

The fourth proportional to 3,931.58, 5,870.08 and 3,537.92 is: 5,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.58 : 5,870.08 = 3,537.92 : x
  2. Step 2: Convert to fraction form
    3,931.58/5,870.08 = 3,537.92/x
  3. Step 3: Cross multiply
    3,931.58x = 5,870.08 × 3,537.92
  4. Step 4: Simplify right side
    3,931.58x = 20,767,873.43
  5. Step 5: Solve for x
    x = 20,767,873.43/3,931.58
  6. Step 6: Final answer
    x = 5,282.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.