Home / 1,732.17-2,390.40-946.23

Finding the Fourth Proportional to 1,732.17, 2,390.40 and 946.23

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Solution

The fourth proportional to 1,732.17, 2,390.40 and 946.23 is: 1,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.17 : 2,390.40 = 946.23 : x
  2. Step 2: Convert to fraction form
    1,732.17/2,390.40 = 946.23/x
  3. Step 3: Cross multiply
    1,732.17x = 2,390.40 × 946.23
  4. Step 4: Simplify right side
    1,732.17x = 2,261,868.19
  5. Step 5: Solve for x
    x = 2,261,868.19/1,732.17
  6. Step 6: Final answer
    x = 1,305.80

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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.