Home / 1,410.11-2,115.14-577.00

Finding the Fourth Proportional to 1,410.11, 2,115.14 and 577.00

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Solution

The fourth proportional to 1,410.11, 2,115.14 and 577.00 is: 865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.11 : 2,115.14 = 577.00 : x
  2. Step 2: Convert to fraction form
    1,410.11/2,115.14 = 577.00/x
  3. Step 3: Cross multiply
    1,410.11x = 2,115.14 × 577.00
  4. Step 4: Simplify right side
    1,410.11x = 1,220,425.20
  5. Step 5: Solve for x
    x = 1,220,425.20/1,410.11
  6. Step 6: Final answer
    x = 865.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.