Home / 1,658.13-2,286.77-1,068.45

Finding the Fourth Proportional to 1,658.13, 2,286.77 and 1,068.45

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Solution

The fourth proportional to 1,658.13, 2,286.77 and 1,068.45 is: 1,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.13 : 2,286.77 = 1,068.45 : x
  2. Step 2: Convert to fraction form
    1,658.13/2,286.77 = 1,068.45/x
  3. Step 3: Cross multiply
    1,658.13x = 2,286.77 × 1,068.45
  4. Step 4: Simplify right side
    1,658.13x = 2,443,294.06
  5. Step 5: Solve for x
    x = 2,443,294.06/1,658.13
  6. Step 6: Final answer
    x = 1,473.52

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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.