Home / 1,510.31-2,267.07-1,119.08

Finding the Fourth Proportional to 1,510.31, 2,267.07 and 1,119.08

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Solution

The fourth proportional to 1,510.31, 2,267.07 and 1,119.08 is: 1,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.31 : 2,267.07 = 1,119.08 : x
  2. Step 2: Convert to fraction form
    1,510.31/2,267.07 = 1,119.08/x
  3. Step 3: Cross multiply
    1,510.31x = 2,267.07 × 1,119.08
  4. Step 4: Simplify right side
    1,510.31x = 2,537,032.70
  5. Step 5: Solve for x
    x = 2,537,032.70/1,510.31
  6. Step 6: Final answer
    x = 1,679.81

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1.5x scale

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.