Home / 1,880.47-2,595.81-1,217.89

Finding the Fourth Proportional to 1,880.47, 2,595.81 and 1,217.89

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Solution

The fourth proportional to 1,880.47, 2,595.81 and 1,217.89 is: 1,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.47 : 2,595.81 = 1,217.89 : x
  2. Step 2: Convert to fraction form
    1,880.47/2,595.81 = 1,217.89/x
  3. Step 3: Cross multiply
    1,880.47x = 2,595.81 × 1,217.89
  4. Step 4: Simplify right side
    1,880.47x = 3,161,411.04
  5. Step 5: Solve for x
    x = 3,161,411.04/1,880.47
  6. Step 6: Final answer
    x = 1,681.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.