Home / 1,554.63-2,145.69-1,022.58

Finding the Fourth Proportional to 1,554.63, 2,145.69 and 1,022.58

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Solution

The fourth proportional to 1,554.63, 2,145.69 and 1,022.58 is: 1,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.63 : 2,145.69 = 1,022.58 : x
  2. Step 2: Convert to fraction form
    1,554.63/2,145.69 = 1,022.58/x
  3. Step 3: Cross multiply
    1,554.63x = 2,145.69 × 1,022.58
  4. Step 4: Simplify right side
    1,554.63x = 2,194,139.68
  5. Step 5: Solve for x
    x = 2,194,139.68/1,554.63
  6. Step 6: Final answer
    x = 1,411.36

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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.