Home / 2,017.85-3,026.80-631.13

Finding the Fourth Proportional to 2,017.85, 3,026.80 and 631.13

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Solution

The fourth proportional to 2,017.85, 3,026.80 and 631.13 is: 946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.85 : 3,026.80 = 631.13 : x
  2. Step 2: Convert to fraction form
    2,017.85/3,026.80 = 631.13/x
  3. Step 3: Cross multiply
    2,017.85x = 3,026.80 × 631.13
  4. Step 4: Simplify right side
    2,017.85x = 1,910,304.28
  5. Step 5: Solve for x
    x = 1,910,304.28/2,017.85
  6. Step 6: Final answer
    x = 946.70

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1.5x scale

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.