Home / 1,056.12-1,447.75-1,037.50

Finding the Fourth Proportional to 1,056.12, 1,447.75 and 1,037.50

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Solution

The fourth proportional to 1,056.12, 1,447.75 and 1,037.50 is: 1,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.12 : 1,447.75 = 1,037.50 : x
  2. Step 2: Convert to fraction form
    1,056.12/1,447.75 = 1,037.50/x
  3. Step 3: Cross multiply
    1,056.12x = 1,447.75 × 1,037.50
  4. Step 4: Simplify right side
    1,056.12x = 1,502,040.63
  5. Step 5: Solve for x
    x = 1,502,040.63/1,056.12
  6. Step 6: Final answer
    x = 1,422.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.