Home / 2,048.90-2,827.57-1,117.40

Finding the Fourth Proportional to 2,048.90, 2,827.57 and 1,117.40

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Solution

The fourth proportional to 2,048.90, 2,827.57 and 1,117.40 is: 1,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.90 : 2,827.57 = 1,117.40 : x
  2. Step 2: Convert to fraction form
    2,048.90/2,827.57 = 1,117.40/x
  3. Step 3: Cross multiply
    2,048.90x = 2,827.57 × 1,117.40
  4. Step 4: Simplify right side
    2,048.90x = 3,159,509.79
  5. Step 5: Solve for x
    x = 3,159,509.79/2,048.90
  6. Step 6: Final answer
    x = 1,542.06

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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.