Home / 1,525.15-2,104.70-826.52

Finding the Fourth Proportional to 1,525.15, 2,104.70 and 826.52

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Solution

The fourth proportional to 1,525.15, 2,104.70 and 826.52 is: 1,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.15 : 2,104.70 = 826.52 : x
  2. Step 2: Convert to fraction form
    1,525.15/2,104.70 = 826.52/x
  3. Step 3: Cross multiply
    1,525.15x = 2,104.70 × 826.52
  4. Step 4: Simplify right side
    1,525.15x = 1,739,576.64
  5. Step 5: Solve for x
    x = 1,739,576.64/1,525.15
  6. Step 6: Final answer
    x = 1,140.60

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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.