Home / 1,571.86-2,366.53-1,088.20

Finding the Fourth Proportional to 1,571.86, 2,366.53 and 1,088.20

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Solution

The fourth proportional to 1,571.86, 2,366.53 and 1,088.20 is: 1,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.86 : 2,366.53 = 1,088.20 : x
  2. Step 2: Convert to fraction form
    1,571.86/2,366.53 = 1,088.20/x
  3. Step 3: Cross multiply
    1,571.86x = 2,366.53 × 1,088.20
  4. Step 4: Simplify right side
    1,571.86x = 2,575,257.95
  5. Step 5: Solve for x
    x = 2,575,257.95/1,571.86
  6. Step 6: Final answer
    x = 1,638.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.