Home / 1,354.14-2,030.98-380.01

Finding the Fourth Proportional to 1,354.14, 2,030.98 and 380.01

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Solution

The fourth proportional to 1,354.14, 2,030.98 and 380.01 is: 569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.14 : 2,030.98 = 380.01 : x
  2. Step 2: Convert to fraction form
    1,354.14/2,030.98 = 380.01/x
  3. Step 3: Cross multiply
    1,354.14x = 2,030.98 × 380.01
  4. Step 4: Simplify right side
    1,354.14x = 771,792.71
  5. Step 5: Solve for x
    x = 771,792.71/1,354.14
  6. Step 6: Final answer
    x = 569.95

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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.