Home / 1,802.08-2,498.32-1,708.40

Finding the Fourth Proportional to 1,802.08, 2,498.32 and 1,708.40

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Solution

The fourth proportional to 1,802.08, 2,498.32 and 1,708.40 is: 2,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.08 : 2,498.32 = 1,708.40 : x
  2. Step 2: Convert to fraction form
    1,802.08/2,498.32 = 1,708.40/x
  3. Step 3: Cross multiply
    1,802.08x = 2,498.32 × 1,708.40
  4. Step 4: Simplify right side
    1,802.08x = 4,268,129.89
  5. Step 5: Solve for x
    x = 4,268,129.89/1,802.08
  6. Step 6: Final answer
    x = 2,368.45

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.