Home / 2,605.32-3,595.65-1,557.39

Finding the Fourth Proportional to 2,605.32, 3,595.65 and 1,557.39

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Solution

The fourth proportional to 2,605.32, 3,595.65 and 1,557.39 is: 2,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.32 : 3,595.65 = 1,557.39 : x
  2. Step 2: Convert to fraction form
    2,605.32/3,595.65 = 1,557.39/x
  3. Step 3: Cross multiply
    2,605.32x = 3,595.65 × 1,557.39
  4. Step 4: Simplify right side
    2,605.32x = 5,599,829.35
  5. Step 5: Solve for x
    x = 5,599,829.35/2,605.32
  6. Step 6: Final answer
    x = 2,149.38

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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.