Home / 2,102.09-2,898.95-1,726.85

Finding the Fourth Proportional to 2,102.09, 2,898.95 and 1,726.85

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Solution

The fourth proportional to 2,102.09, 2,898.95 and 1,726.85 is: 2,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.09 : 2,898.95 = 1,726.85 : x
  2. Step 2: Convert to fraction form
    2,102.09/2,898.95 = 1,726.85/x
  3. Step 3: Cross multiply
    2,102.09x = 2,898.95 × 1,726.85
  4. Step 4: Simplify right side
    2,102.09x = 5,006,050.42
  5. Step 5: Solve for x
    x = 5,006,050.42/2,102.09
  6. Step 6: Final answer
    x = 2,381.47

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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.