Home / 2,548.06-3,516.47-1,917.45

Finding the Fourth Proportional to 2,548.06, 3,516.47 and 1,917.45

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Solution

The fourth proportional to 2,548.06, 3,516.47 and 1,917.45 is: 2,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.06 : 3,516.47 = 1,917.45 : x
  2. Step 2: Convert to fraction form
    2,548.06/3,516.47 = 1,917.45/x
  3. Step 3: Cross multiply
    2,548.06x = 3,516.47 × 1,917.45
  4. Step 4: Simplify right side
    2,548.06x = 6,742,654.61
  5. Step 5: Solve for x
    x = 6,742,654.61/2,548.06
  6. Step 6: Final answer
    x = 2,646.19

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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.