Home / 2,210.04-3,315.48-749.40

Finding the Fourth Proportional to 2,210.04, 3,315.48 and 749.40

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Solution

The fourth proportional to 2,210.04, 3,315.48 and 749.40 is: 1,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.04 : 3,315.48 = 749.40 : x
  2. Step 2: Convert to fraction form
    2,210.04/3,315.48 = 749.40/x
  3. Step 3: Cross multiply
    2,210.04x = 3,315.48 × 749.40
  4. Step 4: Simplify right side
    2,210.04x = 2,484,620.71
  5. Step 5: Solve for x
    x = 2,484,620.71/2,210.04
  6. Step 6: Final answer
    x = 1,124.24

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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.