Home / 3,143.49-4,713.85-1,582.51

Finding the Fourth Proportional to 3,143.49, 4,713.85 and 1,582.51

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Solution

The fourth proportional to 3,143.49, 4,713.85 and 1,582.51 is: 2,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.49 : 4,713.85 = 1,582.51 : x
  2. Step 2: Convert to fraction form
    3,143.49/4,713.85 = 1,582.51/x
  3. Step 3: Cross multiply
    3,143.49x = 4,713.85 × 1,582.51
  4. Step 4: Simplify right side
    3,143.49x = 7,459,714.76
  5. Step 5: Solve for x
    x = 7,459,714.76/3,143.49
  6. Step 6: Final answer
    x = 2,373.07

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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.