Home / 2,230.34-3,077.65-1,235.60

Finding the Fourth Proportional to 2,230.34, 3,077.65 and 1,235.60

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Solution

The fourth proportional to 2,230.34, 3,077.65 and 1,235.60 is: 1,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.34 : 3,077.65 = 1,235.60 : x
  2. Step 2: Convert to fraction form
    2,230.34/3,077.65 = 1,235.60/x
  3. Step 3: Cross multiply
    2,230.34x = 3,077.65 × 1,235.60
  4. Step 4: Simplify right side
    2,230.34x = 3,802,752.40
  5. Step 5: Solve for x
    x = 3,802,752.40/2,230.34
  6. Step 6: Final answer
    x = 1,705.01

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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.