Home / 1,925.36-2,657.88-1,262.24

Finding the Fourth Proportional to 1,925.36, 2,657.88 and 1,262.24

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Solution

The fourth proportional to 1,925.36, 2,657.88 and 1,262.24 is: 1,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.36 : 2,657.88 = 1,262.24 : x
  2. Step 2: Convert to fraction form
    1,925.36/2,657.88 = 1,262.24/x
  3. Step 3: Cross multiply
    1,925.36x = 2,657.88 × 1,262.24
  4. Step 4: Simplify right side
    1,925.36x = 3,354,882.45
  5. Step 5: Solve for x
    x = 3,354,882.45/1,925.36
  6. Step 6: Final answer
    x = 1,742.47

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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.