Home / 2,045.84-2,823.32-1,114.40

Finding the Fourth Proportional to 2,045.84, 2,823.32 and 1,114.40

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Solution

The fourth proportional to 2,045.84, 2,823.32 and 1,114.40 is: 1,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.84 : 2,823.32 = 1,114.40 : x
  2. Step 2: Convert to fraction form
    2,045.84/2,823.32 = 1,114.40/x
  3. Step 3: Cross multiply
    2,045.84x = 2,823.32 × 1,114.40
  4. Step 4: Simplify right side
    2,045.84x = 3,146,307.81
  5. Step 5: Solve for x
    x = 3,146,307.81/2,045.84
  6. Step 6: Final answer
    x = 1,537.91

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1.5x scale

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.