Home / 2,870.26-3,957.29-1,924.55

Finding the Fourth Proportional to 2,870.26, 3,957.29 and 1,924.55

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Solution

The fourth proportional to 2,870.26, 3,957.29 and 1,924.55 is: 2,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.26 : 3,957.29 = 1,924.55 : x
  2. Step 2: Convert to fraction form
    2,870.26/3,957.29 = 1,924.55/x
  3. Step 3: Cross multiply
    2,870.26x = 3,957.29 × 1,924.55
  4. Step 4: Simplify right side
    2,870.26x = 7,615,995.12
  5. Step 5: Solve for x
    x = 7,615,995.12/2,870.26
  6. Step 6: Final answer
    x = 2,653.42

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1.5x scale

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.