Home / 2,971.80-4,459.86-1,025.64

Finding the Fourth Proportional to 2,971.80, 4,459.86 and 1,025.64

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Solution

The fourth proportional to 2,971.80, 4,459.86 and 1,025.64 is: 1,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.80 : 4,459.86 = 1,025.64 : x
  2. Step 2: Convert to fraction form
    2,971.80/4,459.86 = 1,025.64/x
  3. Step 3: Cross multiply
    2,971.80x = 4,459.86 × 1,025.64
  4. Step 4: Simplify right side
    2,971.80x = 4,574,210.81
  5. Step 5: Solve for x
    x = 4,574,210.81/2,971.80
  6. Step 6: Final answer
    x = 1,539.21

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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.