Home / 1,525.04-2,104.92-862.28

Finding the Fourth Proportional to 1,525.04, 2,104.92 and 862.28

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Solution

The fourth proportional to 1,525.04, 2,104.92 and 862.28 is: 1,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.04 : 2,104.92 = 862.28 : x
  2. Step 2: Convert to fraction form
    1,525.04/2,104.92 = 862.28/x
  3. Step 3: Cross multiply
    1,525.04x = 2,104.92 × 862.28
  4. Step 4: Simplify right side
    1,525.04x = 1,815,030.42
  5. Step 5: Solve for x
    x = 1,815,030.42/1,525.04
  6. Step 6: Final answer
    x = 1,190.15

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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.