Home / 1,525.59-2,287.13-1,330.11

Finding the Fourth Proportional to 1,525.59, 2,287.13 and 1,330.11

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Solution

The fourth proportional to 1,525.59, 2,287.13 and 1,330.11 is: 1,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.59 : 2,287.13 = 1,330.11 : x
  2. Step 2: Convert to fraction form
    1,525.59/2,287.13 = 1,330.11/x
  3. Step 3: Cross multiply
    1,525.59x = 2,287.13 × 1,330.11
  4. Step 4: Simplify right side
    1,525.59x = 3,042,127.83
  5. Step 5: Solve for x
    x = 3,042,127.83/1,525.59
  6. Step 6: Final answer
    x = 1,994.07

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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.