Home / 1,547.32-2,317.98-1,424.92

Finding the Fourth Proportional to 1,547.32, 2,317.98 and 1,424.92

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Solution

The fourth proportional to 1,547.32, 2,317.98 and 1,424.92 is: 2,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.32 : 2,317.98 = 1,424.92 : x
  2. Step 2: Convert to fraction form
    1,547.32/2,317.98 = 1,424.92/x
  3. Step 3: Cross multiply
    1,547.32x = 2,317.98 × 1,424.92
  4. Step 4: Simplify right side
    1,547.32x = 3,302,936.06
  5. Step 5: Solve for x
    x = 3,302,936.06/1,547.32
  6. Step 6: Final answer
    x = 2,134.62

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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.