Home / 2,574.81-3,553.56-1,455.75

Finding the Fourth Proportional to 2,574.81, 3,553.56 and 1,455.75

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Solution

The fourth proportional to 2,574.81, 3,553.56 and 1,455.75 is: 2,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.81 : 3,553.56 = 1,455.75 : x
  2. Step 2: Convert to fraction form
    2,574.81/3,553.56 = 1,455.75/x
  3. Step 3: Cross multiply
    2,574.81x = 3,553.56 × 1,455.75
  4. Step 4: Simplify right side
    2,574.81x = 5,173,094.97
  5. Step 5: Solve for x
    x = 5,173,094.97/2,574.81
  6. Step 6: Final answer
    x = 2,009.12

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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.