Home / 1,923.42-2,653.65-1,137.36

Finding the Fourth Proportional to 1,923.42, 2,653.65 and 1,137.36

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Solution

The fourth proportional to 1,923.42, 2,653.65 and 1,137.36 is: 1,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.42 : 2,653.65 = 1,137.36 : x
  2. Step 2: Convert to fraction form
    1,923.42/2,653.65 = 1,137.36/x
  3. Step 3: Cross multiply
    1,923.42x = 2,653.65 × 1,137.36
  4. Step 4: Simplify right side
    1,923.42x = 3,018,155.36
  5. Step 5: Solve for x
    x = 3,018,155.36/1,923.42
  6. Step 6: Final answer
    x = 1,569.16

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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.