Home / 1,859.60-2,569.80-1,393.04

Finding the Fourth Proportional to 1,859.60, 2,569.80 and 1,393.04

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Solution

The fourth proportional to 1,859.60, 2,569.80 and 1,393.04 is: 1,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.60 : 2,569.80 = 1,393.04 : x
  2. Step 2: Convert to fraction form
    1,859.60/2,569.80 = 1,393.04/x
  3. Step 3: Cross multiply
    1,859.60x = 2,569.80 × 1,393.04
  4. Step 4: Simplify right side
    1,859.60x = 3,579,834.19
  5. Step 5: Solve for x
    x = 3,579,834.19/1,859.60
  6. Step 6: Final answer
    x = 1,925.06

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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.