Home / 1,572.60-2,170.31-1,014.23

Finding the Fourth Proportional to 1,572.60, 2,170.31 and 1,014.23

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Solution

The fourth proportional to 1,572.60, 2,170.31 and 1,014.23 is: 1,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.60 : 2,170.31 = 1,014.23 : x
  2. Step 2: Convert to fraction form
    1,572.60/2,170.31 = 1,014.23/x
  3. Step 3: Cross multiply
    1,572.60x = 2,170.31 × 1,014.23
  4. Step 4: Simplify right side
    1,572.60x = 2,201,201.47
  5. Step 5: Solve for x
    x = 2,201,201.47/1,572.60
  6. Step 6: Final answer
    x = 1,399.72

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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.