Home / 1,573.47-2,170.35-1,014.65

Finding the Fourth Proportional to 1,573.47, 2,170.35 and 1,014.65

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Solution

The fourth proportional to 1,573.47, 2,170.35 and 1,014.65 is: 1,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.47 : 2,170.35 = 1,014.65 : x
  2. Step 2: Convert to fraction form
    1,573.47/2,170.35 = 1,014.65/x
  3. Step 3: Cross multiply
    1,573.47x = 2,170.35 × 1,014.65
  4. Step 4: Simplify right side
    1,573.47x = 2,202,145.63
  5. Step 5: Solve for x
    x = 2,202,145.63/1,573.47
  6. Step 6: Final answer
    x = 1,399.55

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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.