Home / 2,970.15-4,457.92-1,584.66

Finding the Fourth Proportional to 2,970.15, 4,457.92 and 1,584.66

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Solution

The fourth proportional to 2,970.15, 4,457.92 and 1,584.66 is: 2,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.15 : 4,457.92 = 1,584.66 : x
  2. Step 2: Convert to fraction form
    2,970.15/4,457.92 = 1,584.66/x
  3. Step 3: Cross multiply
    2,970.15x = 4,457.92 × 1,584.66
  4. Step 4: Simplify right side
    2,970.15x = 7,064,287.51
  5. Step 5: Solve for x
    x = 7,064,287.51/2,970.15
  6. Step 6: Final answer
    x = 2,378.43

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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.