Home / 3,465.15-4,781.91-2,472.15

Finding the Fourth Proportional to 3,465.15, 4,781.91 and 2,472.15

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Solution

The fourth proportional to 3,465.15, 4,781.91 and 2,472.15 is: 3,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.15 : 4,781.91 = 2,472.15 : x
  2. Step 2: Convert to fraction form
    3,465.15/4,781.91 = 2,472.15/x
  3. Step 3: Cross multiply
    3,465.15x = 4,781.91 × 2,472.15
  4. Step 4: Simplify right side
    3,465.15x = 11,821,598.81
  5. Step 5: Solve for x
    x = 11,821,598.81/3,465.15
  6. Step 6: Final answer
    x = 3,411.57

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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.