Home / 2,085.16-2,877.49-1,140.93

Finding the Fourth Proportional to 2,085.16, 2,877.49 and 1,140.93

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Solution

The fourth proportional to 2,085.16, 2,877.49 and 1,140.93 is: 1,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.16 : 2,877.49 = 1,140.93 : x
  2. Step 2: Convert to fraction form
    2,085.16/2,877.49 = 1,140.93/x
  3. Step 3: Cross multiply
    2,085.16x = 2,877.49 × 1,140.93
  4. Step 4: Simplify right side
    2,085.16x = 3,283,011.81
  5. Step 5: Solve for x
    x = 3,283,011.81/2,085.16
  6. Step 6: Final answer
    x = 1,574.47

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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.