Home / 2,953.32-4,405.01-2,781.99

Finding the Fourth Proportional to 2,953.32, 4,405.01 and 2,781.99

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Solution

The fourth proportional to 2,953.32, 4,405.01 and 2,781.99 is: 4,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.32 : 4,405.01 = 2,781.99 : x
  2. Step 2: Convert to fraction form
    2,953.32/4,405.01 = 2,781.99/x
  3. Step 3: Cross multiply
    2,953.32x = 4,405.01 × 2,781.99
  4. Step 4: Simplify right side
    2,953.32x = 12,254,679.86
  5. Step 5: Solve for x
    x = 12,254,679.86/2,953.32
  6. Step 6: Final answer
    x = 4,149.46

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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.