Home / 3,392.15-4,681.17-1,900.13

Finding the Fourth Proportional to 3,392.15, 4,681.17 and 1,900.13

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Solution

The fourth proportional to 3,392.15, 4,681.17 and 1,900.13 is: 2,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.15 : 4,681.17 = 1,900.13 : x
  2. Step 2: Convert to fraction form
    3,392.15/4,681.17 = 1,900.13/x
  3. Step 3: Cross multiply
    3,392.15x = 4,681.17 × 1,900.13
  4. Step 4: Simplify right side
    3,392.15x = 8,894,808.15
  5. Step 5: Solve for x
    x = 8,894,808.15/3,392.15
  6. Step 6: Final answer
    x = 2,622.18

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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.