Home / 2,267.64-3,386.88-1,939.68

Finding the Fourth Proportional to 2,267.64, 3,386.88 and 1,939.68

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Solution

The fourth proportional to 2,267.64, 3,386.88 and 1,939.68 is: 2,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.64 : 3,386.88 = 1,939.68 : x
  2. Step 2: Convert to fraction form
    2,267.64/3,386.88 = 1,939.68/x
  3. Step 3: Cross multiply
    2,267.64x = 3,386.88 × 1,939.68
  4. Step 4: Simplify right side
    2,267.64x = 6,569,463.40
  5. Step 5: Solve for x
    x = 6,569,463.40/2,267.64
  6. Step 6: Final answer
    x = 2,897.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.