Home / 1,507.41-2,259.25-881.55

Finding the Fourth Proportional to 1,507.41, 2,259.25 and 881.55

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Solution

The fourth proportional to 1,507.41, 2,259.25 and 881.55 is: 1,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.41 : 2,259.25 = 881.55 : x
  2. Step 2: Convert to fraction form
    1,507.41/2,259.25 = 881.55/x
  3. Step 3: Cross multiply
    1,507.41x = 2,259.25 × 881.55
  4. Step 4: Simplify right side
    1,507.41x = 1,991,639.63
  5. Step 5: Solve for x
    x = 1,991,639.63/1,507.41
  6. Step 6: Final answer
    x = 1,321.23

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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.