Home / 1,574.28-2,360.94-1,265.40

Finding the Fourth Proportional to 1,574.28, 2,360.94 and 1,265.40

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Solution

The fourth proportional to 1,574.28, 2,360.94 and 1,265.40 is: 1,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.28 : 2,360.94 = 1,265.40 : x
  2. Step 2: Convert to fraction form
    1,574.28/2,360.94 = 1,265.40/x
  3. Step 3: Cross multiply
    1,574.28x = 2,360.94 × 1,265.40
  4. Step 4: Simplify right side
    1,574.28x = 2,987,533.48
  5. Step 5: Solve for x
    x = 2,987,533.48/1,574.28
  6. Step 6: Final answer
    x = 1,897.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.