Home / 3,465.28-4,781.92-1,973.24

Finding the Fourth Proportional to 3,465.28, 4,781.92 and 1,973.24

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Solution

The fourth proportional to 3,465.28, 4,781.92 and 1,973.24 is: 2,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.28 : 4,781.92 = 1,973.24 : x
  2. Step 2: Convert to fraction form
    3,465.28/4,781.92 = 1,973.24/x
  3. Step 3: Cross multiply
    3,465.28x = 4,781.92 × 1,973.24
  4. Step 4: Simplify right side
    3,465.28x = 9,435,875.82
  5. Step 5: Solve for x
    x = 9,435,875.82/3,465.28
  6. Step 6: Final answer
    x = 2,722.98

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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.