Home / 1,925.74-2,656.29-1,336.06

Finding the Fourth Proportional to 1,925.74, 2,656.29 and 1,336.06

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Solution

The fourth proportional to 1,925.74, 2,656.29 and 1,336.06 is: 1,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.74 : 2,656.29 = 1,336.06 : x
  2. Step 2: Convert to fraction form
    1,925.74/2,656.29 = 1,336.06/x
  3. Step 3: Cross multiply
    1,925.74x = 2,656.29 × 1,336.06
  4. Step 4: Simplify right side
    1,925.74x = 3,548,962.82
  5. Step 5: Solve for x
    x = 3,548,962.82/1,925.74
  6. Step 6: Final answer
    x = 1,842.91

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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.