Home / 2,225.61-3,068.95-1,562.25

Finding the Fourth Proportional to 2,225.61, 3,068.95 and 1,562.25

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Solution

The fourth proportional to 2,225.61, 3,068.95 and 1,562.25 is: 2,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.61 : 3,068.95 = 1,562.25 : x
  2. Step 2: Convert to fraction form
    2,225.61/3,068.95 = 1,562.25/x
  3. Step 3: Cross multiply
    2,225.61x = 3,068.95 × 1,562.25
  4. Step 4: Simplify right side
    2,225.61x = 4,794,467.14
  5. Step 5: Solve for x
    x = 4,794,467.14/2,225.61
  6. Step 6: Final answer
    x = 2,154.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.