Home / 3,417.42-5,125.95-1,108.74

Finding the Fourth Proportional to 3,417.42, 5,125.95 and 1,108.74

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Solution

The fourth proportional to 3,417.42, 5,125.95 and 1,108.74 is: 1,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.42 : 5,125.95 = 1,108.74 : x
  2. Step 2: Convert to fraction form
    3,417.42/5,125.95 = 1,108.74/x
  3. Step 3: Cross multiply
    3,417.42x = 5,125.95 × 1,108.74
  4. Step 4: Simplify right side
    3,417.42x = 5,683,345.80
  5. Step 5: Solve for x
    x = 5,683,345.80/3,417.42
  6. Step 6: Final answer
    x = 1,663.05

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