Home / 3,465.04-5,187.76-2,639.92

Finding the Fourth Proportional to 3,465.04, 5,187.76 and 2,639.92

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Solution

The fourth proportional to 3,465.04, 5,187.76 and 2,639.92 is: 3,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.04 : 5,187.76 = 2,639.92 : x
  2. Step 2: Convert to fraction form
    3,465.04/5,187.76 = 2,639.92/x
  3. Step 3: Cross multiply
    3,465.04x = 5,187.76 × 2,639.92
  4. Step 4: Simplify right side
    3,465.04x = 13,695,271.38
  5. Step 5: Solve for x
    x = 13,695,271.38/3,465.04
  6. Step 6: Final answer
    x = 3,952.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.