Home / 3,484.40-4,809.80-2,307.12

Finding the Fourth Proportional to 3,484.40, 4,809.80 and 2,307.12

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Solution

The fourth proportional to 3,484.40, 4,809.80 and 2,307.12 is: 3,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.40 : 4,809.80 = 2,307.12 : x
  2. Step 2: Convert to fraction form
    3,484.40/4,809.80 = 2,307.12/x
  3. Step 3: Cross multiply
    3,484.40x = 4,809.80 × 2,307.12
  4. Step 4: Simplify right side
    3,484.40x = 11,096,785.78
  5. Step 5: Solve for x
    x = 11,096,785.78/3,484.40
  6. Step 6: Final answer
    x = 3,184.70

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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.