Home / 1,551.09-2,135.13-1,354.26

Finding the Fourth Proportional to 1,551.09, 2,135.13 and 1,354.26

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Solution

The fourth proportional to 1,551.09, 2,135.13 and 1,354.26 is: 1,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.09 : 2,135.13 = 1,354.26 : x
  2. Step 2: Convert to fraction form
    1,551.09/2,135.13 = 1,354.26/x
  3. Step 3: Cross multiply
    1,551.09x = 2,135.13 × 1,354.26
  4. Step 4: Simplify right side
    1,551.09x = 2,891,521.15
  5. Step 5: Solve for x
    x = 2,891,521.15/1,551.09
  6. Step 6: Final answer
    x = 1,864.19

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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.