Home / 1,859.40-2,567.16-1,465.20

Finding the Fourth Proportional to 1,859.40, 2,567.16 and 1,465.20

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Solution

The fourth proportional to 1,859.40, 2,567.16 and 1,465.20 is: 2,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.40 : 2,567.16 = 1,465.20 : x
  2. Step 2: Convert to fraction form
    1,859.40/2,567.16 = 1,465.20/x
  3. Step 3: Cross multiply
    1,859.40x = 2,567.16 × 1,465.20
  4. Step 4: Simplify right side
    1,859.40x = 3,761,402.83
  5. Step 5: Solve for x
    x = 3,761,402.83/1,859.40
  6. Step 6: Final answer
    x = 2,022.91

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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.