Home / 1,480.16-2,220.24-602.76

Finding the Fourth Proportional to 1,480.16, 2,220.24 and 602.76

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Solution

The fourth proportional to 1,480.16, 2,220.24 and 602.76 is: 904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.16 : 2,220.24 = 602.76 : x
  2. Step 2: Convert to fraction form
    1,480.16/2,220.24 = 602.76/x
  3. Step 3: Cross multiply
    1,480.16x = 2,220.24 × 602.76
  4. Step 4: Simplify right side
    1,480.16x = 1,338,271.86
  5. Step 5: Solve for x
    x = 1,338,271.86/1,480.16
  6. Step 6: Final answer
    x = 904.14

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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.