Home / 1,957.30-2,700.53-1,259.08

Finding the Fourth Proportional to 1,957.30, 2,700.53 and 1,259.08

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Solution

The fourth proportional to 1,957.30, 2,700.53 and 1,259.08 is: 1,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.30 : 2,700.53 = 1,259.08 : x
  2. Step 2: Convert to fraction form
    1,957.30/2,700.53 = 1,259.08/x
  3. Step 3: Cross multiply
    1,957.30x = 2,700.53 × 1,259.08
  4. Step 4: Simplify right side
    1,957.30x = 3,400,183.31
  5. Step 5: Solve for x
    x = 3,400,183.31/1,957.30
  6. Step 6: Final answer
    x = 1,737.18

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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.