Home / 2,117.19-2,921.67-1,233.17

Finding the Fourth Proportional to 2,117.19, 2,921.67 and 1,233.17

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Solution

The fourth proportional to 2,117.19, 2,921.67 and 1,233.17 is: 1,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.19 : 2,921.67 = 1,233.17 : x
  2. Step 2: Convert to fraction form
    2,117.19/2,921.67 = 1,233.17/x
  3. Step 3: Cross multiply
    2,117.19x = 2,921.67 × 1,233.17
  4. Step 4: Simplify right side
    2,117.19x = 3,602,901.19
  5. Step 5: Solve for x
    x = 3,602,901.19/2,117.19
  6. Step 6: Final answer
    x = 1,701.74

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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.