Home / 1,864.45-2,570.01-1,510.90

Finding the Fourth Proportional to 1,864.45, 2,570.01 and 1,510.90

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Solution

The fourth proportional to 1,864.45, 2,570.01 and 1,510.90 is: 2,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.45 : 2,570.01 = 1,510.90 : x
  2. Step 2: Convert to fraction form
    1,864.45/2,570.01 = 1,510.90/x
  3. Step 3: Cross multiply
    1,864.45x = 2,570.01 × 1,510.90
  4. Step 4: Simplify right side
    1,864.45x = 3,883,028.11
  5. Step 5: Solve for x
    x = 3,883,028.11/1,864.45
  6. Step 6: Final answer
    x = 2,082.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.