Home / 1,557.40-2,330.03-1,010.65

Finding the Fourth Proportional to 1,557.40, 2,330.03 and 1,010.65

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Solution

The fourth proportional to 1,557.40, 2,330.03 and 1,010.65 is: 1,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.40 : 2,330.03 = 1,010.65 : x
  2. Step 2: Convert to fraction form
    1,557.40/2,330.03 = 1,010.65/x
  3. Step 3: Cross multiply
    1,557.40x = 2,330.03 × 1,010.65
  4. Step 4: Simplify right side
    1,557.40x = 2,354,839.77
  5. Step 5: Solve for x
    x = 2,354,839.77/1,557.40
  6. Step 6: Final answer
    x = 1,512.03

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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.