Home / 1,829.52-2,521.80-1,240.92

Finding the Fourth Proportional to 1,829.52, 2,521.80 and 1,240.92

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Solution

The fourth proportional to 1,829.52, 2,521.80 and 1,240.92 is: 1,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.52 : 2,521.80 = 1,240.92 : x
  2. Step 2: Convert to fraction form
    1,829.52/2,521.80 = 1,240.92/x
  3. Step 3: Cross multiply
    1,829.52x = 2,521.80 × 1,240.92
  4. Step 4: Simplify right side
    1,829.52x = 3,129,352.06
  5. Step 5: Solve for x
    x = 3,129,352.06/1,829.52
  6. Step 6: Final answer
    x = 1,710.48

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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.