Home / 2,210.59-3,316.25-749.26

Finding the Fourth Proportional to 2,210.59, 3,316.25 and 749.26

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Solution

The fourth proportional to 2,210.59, 3,316.25 and 749.26 is: 1,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.59 : 3,316.25 = 749.26 : x
  2. Step 2: Convert to fraction form
    2,210.59/3,316.25 = 749.26/x
  3. Step 3: Cross multiply
    2,210.59x = 3,316.25 × 749.26
  4. Step 4: Simplify right side
    2,210.59x = 2,484,733.48
  5. Step 5: Solve for x
    x = 2,484,733.48/2,210.59
  6. Step 6: Final answer
    x = 1,124.01

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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.