Home / 2,439.13-3,656.06-977.53

Finding the Fourth Proportional to 2,439.13, 3,656.06 and 977.53

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Solution

The fourth proportional to 2,439.13, 3,656.06 and 977.53 is: 1,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.13 : 3,656.06 = 977.53 : x
  2. Step 2: Convert to fraction form
    2,439.13/3,656.06 = 977.53/x
  3. Step 3: Cross multiply
    2,439.13x = 3,656.06 × 977.53
  4. Step 4: Simplify right side
    2,439.13x = 3,573,903.44
  5. Step 5: Solve for x
    x = 3,573,903.44/2,439.13
  6. Step 6: Final answer
    x = 1,465.24

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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.