Home / 1,525.17-2,104.73-862.02

Finding the Fourth Proportional to 1,525.17, 2,104.73 and 862.02

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Solution

The fourth proportional to 1,525.17, 2,104.73 and 862.02 is: 1,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.17 : 2,104.73 = 862.02 : x
  2. Step 2: Convert to fraction form
    1,525.17/2,104.73 = 862.02/x
  3. Step 3: Cross multiply
    1,525.17x = 2,104.73 × 862.02
  4. Step 4: Simplify right side
    1,525.17x = 1,814,315.04
  5. Step 5: Solve for x
    x = 1,814,315.04/1,525.17
  6. Step 6: Final answer
    x = 1,189.58

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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.