Home / 3,117.02-4,301.10-1,719.77

Finding the Fourth Proportional to 3,117.02, 4,301.10 and 1,719.77

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Solution

The fourth proportional to 3,117.02, 4,301.10 and 1,719.77 is: 2,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.02 : 4,301.10 = 1,719.77 : x
  2. Step 2: Convert to fraction form
    3,117.02/4,301.10 = 1,719.77/x
  3. Step 3: Cross multiply
    3,117.02x = 4,301.10 × 1,719.77
  4. Step 4: Simplify right side
    3,117.02x = 7,396,881.24
  5. Step 5: Solve for x
    x = 7,396,881.24/3,117.02
  6. Step 6: Final answer
    x = 2,373.07

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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.