Home / 1,525.17-2,104.74-826.55

Finding the Fourth Proportional to 1,525.17, 2,104.74 and 826.55

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Solution

The fourth proportional to 1,525.17, 2,104.74 and 826.55 is: 1,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.17 : 2,104.74 = 826.55 : x
  2. Step 2: Convert to fraction form
    1,525.17/2,104.74 = 826.55/x
  3. Step 3: Cross multiply
    1,525.17x = 2,104.74 × 826.55
  4. Step 4: Simplify right side
    1,525.17x = 1,739,658.19
  5. Step 5: Solve for x
    x = 1,739,658.19/1,525.17
  6. Step 6: Final answer
    x = 1,140.63

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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.