Home / 1,575.24-2,363.67-881.49

Finding the Fourth Proportional to 1,575.24, 2,363.67 and 881.49

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Solution

The fourth proportional to 1,575.24, 2,363.67 and 881.49 is: 1,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.24 : 2,363.67 = 881.49 : x
  2. Step 2: Convert to fraction form
    1,575.24/2,363.67 = 881.49/x
  3. Step 3: Cross multiply
    1,575.24x = 2,363.67 × 881.49
  4. Step 4: Simplify right side
    1,575.24x = 2,083,551.47
  5. Step 5: Solve for x
    x = 2,083,551.47/1,575.24
  6. Step 6: Final answer
    x = 1,322.69

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1.5x scale

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.