Home / 2,384.83-3,577.20-653.45

Finding the Fourth Proportional to 2,384.83, 3,577.20 and 653.45

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Solution

The fourth proportional to 2,384.83, 3,577.20 and 653.45 is: 980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.83 : 3,577.20 = 653.45 : x
  2. Step 2: Convert to fraction form
    2,384.83/3,577.20 = 653.45/x
  3. Step 3: Cross multiply
    2,384.83x = 3,577.20 × 653.45
  4. Step 4: Simplify right side
    2,384.83x = 2,337,523.88
  5. Step 5: Solve for x
    x = 2,337,523.88/2,384.83
  6. Step 6: Final answer
    x = 980.17

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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.