Home / 2,117.08-2,921.85-1,232.92

Finding the Fourth Proportional to 2,117.08, 2,921.85 and 1,232.92

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Solution

The fourth proportional to 2,117.08, 2,921.85 and 1,232.92 is: 1,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.08 : 2,921.85 = 1,232.92 : x
  2. Step 2: Convert to fraction form
    2,117.08/2,921.85 = 1,232.92/x
  3. Step 3: Cross multiply
    2,117.08x = 2,921.85 × 1,232.92
  4. Step 4: Simplify right side
    2,117.08x = 3,602,407.30
  5. Step 5: Solve for x
    x = 3,602,407.30/2,117.08
  6. Step 6: Final answer
    x = 1,701.59

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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.