Home / 2,054.49-2,837.34-1,577.40

Finding the Fourth Proportional to 2,054.49, 2,837.34 and 1,577.40

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Solution

The fourth proportional to 2,054.49, 2,837.34 and 1,577.40 is: 2,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.49 : 2,837.34 = 1,577.40 : x
  2. Step 2: Convert to fraction form
    2,054.49/2,837.34 = 1,577.40/x
  3. Step 3: Cross multiply
    2,054.49x = 2,837.34 × 1,577.40
  4. Step 4: Simplify right side
    2,054.49x = 4,475,620.12
  5. Step 5: Solve for x
    x = 4,475,620.12/2,054.49
  6. Step 6: Final answer
    x = 2,178.46

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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.