Home / 1,510.13-2,265.45-470.12

Finding the Fourth Proportional to 1,510.13, 2,265.45 and 470.12

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Solution

The fourth proportional to 1,510.13, 2,265.45 and 470.12 is: 705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.13 : 2,265.45 = 470.12 : x
  2. Step 2: Convert to fraction form
    1,510.13/2,265.45 = 470.12/x
  3. Step 3: Cross multiply
    1,510.13x = 2,265.45 × 470.12
  4. Step 4: Simplify right side
    1,510.13x = 1,065,022.03
  5. Step 5: Solve for x
    x = 1,065,022.03/1,510.13
  6. Step 6: Final answer
    x = 705.25

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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.