Home / 3,386.40-4,674.20-2,060.55

Finding the Fourth Proportional to 3,386.40, 4,674.20 and 2,060.55

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Solution

The fourth proportional to 3,386.40, 4,674.20 and 2,060.55 is: 2,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.40 : 4,674.20 = 2,060.55 : x
  2. Step 2: Convert to fraction form
    3,386.40/4,674.20 = 2,060.55/x
  3. Step 3: Cross multiply
    3,386.40x = 4,674.20 × 2,060.55
  4. Step 4: Simplify right side
    3,386.40x = 9,631,412.51
  5. Step 5: Solve for x
    x = 9,631,412.51/3,386.40
  6. Step 6: Final answer
    x = 2,844.14

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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.