Home / 2,477.93-3,419.28-1,415.96

Finding the Fourth Proportional to 2,477.93, 3,419.28 and 1,415.96

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Solution

The fourth proportional to 2,477.93, 3,419.28 and 1,415.96 is: 1,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.93 : 3,419.28 = 1,415.96 : x
  2. Step 2: Convert to fraction form
    2,477.93/3,419.28 = 1,415.96/x
  3. Step 3: Cross multiply
    2,477.93x = 3,419.28 × 1,415.96
  4. Step 4: Simplify right side
    2,477.93x = 4,841,549.82
  5. Step 5: Solve for x
    x = 4,841,549.82/2,477.93
  6. Step 6: Final answer
    x = 1,953.87

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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.