Home / 2,325.80-3,209.56-1,317.50

Finding the Fourth Proportional to 2,325.80, 3,209.56 and 1,317.50

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Solution

The fourth proportional to 2,325.80, 3,209.56 and 1,317.50 is: 1,818.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.80 : 3,209.56 = 1,317.50 : x
  2. Step 2: Convert to fraction form
    2,325.80/3,209.56 = 1,317.50/x
  3. Step 3: Cross multiply
    2,325.80x = 3,209.56 × 1,317.50
  4. Step 4: Simplify right side
    2,325.80x = 4,228,587.99
  5. Step 5: Solve for x
    x = 4,228,587.99/2,325.80
  6. Step 6: Final answer
    x = 1,818.12

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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.