Home / 2,117.08-2,939.17-2,053.72

Finding the Fourth Proportional to 2,117.08, 2,939.17 and 2,053.72

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Solution

The fourth proportional to 2,117.08, 2,939.17 and 2,053.72 is: 2,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.08 : 2,939.17 = 2,053.72 : x
  2. Step 2: Convert to fraction form
    2,117.08/2,939.17 = 2,053.72/x
  3. Step 3: Cross multiply
    2,117.08x = 2,939.17 × 2,053.72
  4. Step 4: Simplify right side
    2,117.08x = 6,036,232.21
  5. Step 5: Solve for x
    x = 6,036,232.21/2,117.08
  6. Step 6: Final answer
    x = 2,851.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.