Home / 1,010.20-1,506.28-1,008.23

Finding the Fourth Proportional to 1,010.20, 1,506.28 and 1,008.23

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Solution

The fourth proportional to 1,010.20, 1,506.28 and 1,008.23 is: 1,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.20 : 1,506.28 = 1,008.23 : x
  2. Step 2: Convert to fraction form
    1,010.20/1,506.28 = 1,008.23/x
  3. Step 3: Cross multiply
    1,010.20x = 1,506.28 × 1,008.23
  4. Step 4: Simplify right side
    1,010.20x = 1,518,674.16
  5. Step 5: Solve for x
    x = 1,518,674.16/1,010.20
  6. Step 6: Final answer
    x = 1,503.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.