Home / 1,503.01-2,254.56-407.37

Finding the Fourth Proportional to 1,503.01, 2,254.56 and 407.37

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Solution

The fourth proportional to 1,503.01, 2,254.56 and 407.37 is: 611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.01 : 2,254.56 = 407.37 : x
  2. Step 2: Convert to fraction form
    1,503.01/2,254.56 = 407.37/x
  3. Step 3: Cross multiply
    1,503.01x = 2,254.56 × 407.37
  4. Step 4: Simplify right side
    1,503.01x = 918,440.11
  5. Step 5: Solve for x
    x = 918,440.11/1,503.01
  6. Step 6: Final answer
    x = 611.07

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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.