Home / 2,985.29-4,476.87-1,135.91

Finding the Fourth Proportional to 2,985.29, 4,476.87 and 1,135.91

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Solution

The fourth proportional to 2,985.29, 4,476.87 and 1,135.91 is: 1,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.29 : 4,476.87 = 1,135.91 : x
  2. Step 2: Convert to fraction form
    2,985.29/4,476.87 = 1,135.91/x
  3. Step 3: Cross multiply
    2,985.29x = 4,476.87 × 1,135.91
  4. Step 4: Simplify right side
    2,985.29x = 5,085,332.59
  5. Step 5: Solve for x
    x = 5,085,332.59/2,985.29
  6. Step 6: Final answer
    x = 1,703.46

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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.