Home / 1,701.18-2,549.70-1,393.68

Finding the Fourth Proportional to 1,701.18, 2,549.70 and 1,393.68

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Solution

The fourth proportional to 1,701.18, 2,549.70 and 1,393.68 is: 2,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.18 : 2,549.70 = 1,393.68 : x
  2. Step 2: Convert to fraction form
    1,701.18/2,549.70 = 1,393.68/x
  3. Step 3: Cross multiply
    1,701.18x = 2,549.70 × 1,393.68
  4. Step 4: Simplify right side
    1,701.18x = 3,553,465.90
  5. Step 5: Solve for x
    x = 3,553,465.90/1,701.18
  6. Step 6: Final answer
    x = 2,088.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.