Home / 1,503.04-2,254.48-407.36

Finding the Fourth Proportional to 1,503.04, 2,254.48 and 407.36

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Solution

The fourth proportional to 1,503.04, 2,254.48 and 407.36 is: 611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.04 : 2,254.48 = 407.36 : x
  2. Step 2: Convert to fraction form
    1,503.04/2,254.48 = 407.36/x
  3. Step 3: Cross multiply
    1,503.04x = 2,254.48 × 407.36
  4. Step 4: Simplify right side
    1,503.04x = 918,384.97
  5. Step 5: Solve for x
    x = 918,384.97/1,503.04
  6. Step 6: Final answer
    x = 611.02

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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.