Home / 2,934.40-4,047.96-2,603.20

Finding the Fourth Proportional to 2,934.40, 4,047.96 and 2,603.20

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Solution

The fourth proportional to 2,934.40, 4,047.96 and 2,603.20 is: 3,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.40 : 4,047.96 = 2,603.20 : x
  2. Step 2: Convert to fraction form
    2,934.40/4,047.96 = 2,603.20/x
  3. Step 3: Cross multiply
    2,934.40x = 4,047.96 × 2,603.20
  4. Step 4: Simplify right side
    2,934.40x = 10,537,649.47
  5. Step 5: Solve for x
    x = 10,537,649.47/2,934.40
  6. Step 6: Final answer
    x = 3,591.07

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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.