Home / 3,740.60-5,602.80-2,428.40

Finding the Fourth Proportional to 3,740.60, 5,602.80 and 2,428.40

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Solution

The fourth proportional to 3,740.60, 5,602.80 and 2,428.40 is: 3,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.60 : 5,602.80 = 2,428.40 : x
  2. Step 2: Convert to fraction form
    3,740.60/5,602.80 = 2,428.40/x
  3. Step 3: Cross multiply
    3,740.60x = 5,602.80 × 2,428.40
  4. Step 4: Simplify right side
    3,740.60x = 13,605,839.52
  5. Step 5: Solve for x
    x = 13,605,839.52/3,740.60
  6. Step 6: Final answer
    x = 3,637.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.