Home / 1,742.88-2,614.72-510.24

Finding the Fourth Proportional to 1,742.88, 2,614.72 and 510.24

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Solution

The fourth proportional to 1,742.88, 2,614.72 and 510.24 is: 765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.88 : 2,614.72 = 510.24 : x
  2. Step 2: Convert to fraction form
    1,742.88/2,614.72 = 510.24/x
  3. Step 3: Cross multiply
    1,742.88x = 2,614.72 × 510.24
  4. Step 4: Simplify right side
    1,742.88x = 1,334,141.66
  5. Step 5: Solve for x
    x = 1,334,141.66/1,742.88
  6. Step 6: Final answer
    x = 765.48

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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.