Home / 2,154.96-2,973.36-1,410

Finding the Fourth Proportional to 2,154.96, 2,973.36 and 1,410

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Solution

The fourth proportional to 2,154.96, 2,973.36 and 1,410 is: 1,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.96 : 2,973.36 = 1,410 : x
  2. Step 2: Convert to fraction form
    2,154.96/2,973.36 = 1,410/x
  3. Step 3: Cross multiply
    2,154.96x = 2,973.36 × 1,410
  4. Step 4: Simplify right side
    2,154.96x = 4,192,437.60
  5. Step 5: Solve for x
    x = 4,192,437.60/2,154.96
  6. Step 6: Final answer
    x = 1,945.48

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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.