Home / 1,526.03-2,288.28-485.89

Finding the Fourth Proportional to 1,526.03, 2,288.28 and 485.89

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Solution

The fourth proportional to 1,526.03, 2,288.28 and 485.89 is: 728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.03 : 2,288.28 = 485.89 : x
  2. Step 2: Convert to fraction form
    1,526.03/2,288.28 = 485.89/x
  3. Step 3: Cross multiply
    1,526.03x = 2,288.28 × 485.89
  4. Step 4: Simplify right side
    1,526.03x = 1,111,864.51
  5. Step 5: Solve for x
    x = 1,111,864.51/1,526.03
  6. Step 6: Final answer
    x = 728.60

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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.