Home / 2,543.76-3,511.56-1,798.32

Finding the Fourth Proportional to 2,543.76, 3,511.56 and 1,798.32

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Solution

The fourth proportional to 2,543.76, 3,511.56 and 1,798.32 is: 2,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.76 : 3,511.56 = 1,798.32 : x
  2. Step 2: Convert to fraction form
    2,543.76/3,511.56 = 1,798.32/x
  3. Step 3: Cross multiply
    2,543.76x = 3,511.56 × 1,798.32
  4. Step 4: Simplify right side
    2,543.76x = 6,314,908.58
  5. Step 5: Solve for x
    x = 6,314,908.58/2,543.76
  6. Step 6: Final answer
    x = 2,482.51

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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.