Home / 3,678.10-5,518.28-2,570.13

Finding the Fourth Proportional to 3,678.10, 5,518.28 and 2,570.13

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Solution

The fourth proportional to 3,678.10, 5,518.28 and 2,570.13 is: 3,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.10 : 5,518.28 = 2,570.13 : x
  2. Step 2: Convert to fraction form
    3,678.10/5,518.28 = 2,570.13/x
  3. Step 3: Cross multiply
    3,678.10x = 5,518.28 × 2,570.13
  4. Step 4: Simplify right side
    3,678.10x = 14,182,703.40
  5. Step 5: Solve for x
    x = 14,182,703.40/3,678.10
  6. Step 6: Final answer
    x = 3,855.99

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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.