Home / 1,573.90-2,171.36-1,014.70

Finding the Fourth Proportional to 1,573.90, 2,171.36 and 1,014.70

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Solution

The fourth proportional to 1,573.90, 2,171.36 and 1,014.70 is: 1,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.90 : 2,171.36 = 1,014.70 : x
  2. Step 2: Convert to fraction form
    1,573.90/2,171.36 = 1,014.70/x
  3. Step 3: Cross multiply
    1,573.90x = 2,171.36 × 1,014.70
  4. Step 4: Simplify right side
    1,573.90x = 2,203,274.46
  5. Step 5: Solve for x
    x = 2,203,274.46/1,573.90
  6. Step 6: Final answer
    x = 1,399.88

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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.