Home / 1,823.79-2,515.28-1,541.57

Finding the Fourth Proportional to 1,823.79, 2,515.28 and 1,541.57

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Solution

The fourth proportional to 1,823.79, 2,515.28 and 1,541.57 is: 2,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.79 : 2,515.28 = 1,541.57 : x
  2. Step 2: Convert to fraction form
    1,823.79/2,515.28 = 1,541.57/x
  3. Step 3: Cross multiply
    1,823.79x = 2,515.28 × 1,541.57
  4. Step 4: Simplify right side
    1,823.79x = 3,877,478.77
  5. Step 5: Solve for x
    x = 3,877,478.77/1,823.79
  6. Step 6: Final answer
    x = 2,126.06

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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.