Home / 1,927.41-2,659.85-1,088.15

Finding the Fourth Proportional to 1,927.41, 2,659.85 and 1,088.15

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Solution

The fourth proportional to 1,927.41, 2,659.85 and 1,088.15 is: 1,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.41 : 2,659.85 = 1,088.15 : x
  2. Step 2: Convert to fraction form
    1,927.41/2,659.85 = 1,088.15/x
  3. Step 3: Cross multiply
    1,927.41x = 2,659.85 × 1,088.15
  4. Step 4: Simplify right side
    1,927.41x = 2,894,315.78
  5. Step 5: Solve for x
    x = 2,894,315.78/1,927.41
  6. Step 6: Final answer
    x = 1,501.66

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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.