Home / 3,574.19-5,358.53-2,018.70

Finding the Fourth Proportional to 3,574.19, 5,358.53 and 2,018.70

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Solution

The fourth proportional to 3,574.19, 5,358.53 and 2,018.70 is: 3,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.19 : 5,358.53 = 2,018.70 : x
  2. Step 2: Convert to fraction form
    3,574.19/5,358.53 = 2,018.70/x
  3. Step 3: Cross multiply
    3,574.19x = 5,358.53 × 2,018.70
  4. Step 4: Simplify right side
    3,574.19x = 10,817,254.42
  5. Step 5: Solve for x
    x = 10,817,254.42/3,574.19
  6. Step 6: Final answer
    x = 3,026.50

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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.