Home / 3,548.60-4,897.01-1,955.21

Finding the Fourth Proportional to 3,548.60, 4,897.01 and 1,955.21

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Solution

The fourth proportional to 3,548.60, 4,897.01 and 1,955.21 is: 2,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.60 : 4,897.01 = 1,955.21 : x
  2. Step 2: Convert to fraction form
    3,548.60/4,897.01 = 1,955.21/x
  3. Step 3: Cross multiply
    3,548.60x = 4,897.01 × 1,955.21
  4. Step 4: Simplify right side
    3,548.60x = 9,574,682.92
  5. Step 5: Solve for x
    x = 9,574,682.92/3,548.60
  6. Step 6: Final answer
    x = 2,698.16

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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.