Home / 1,810.35-2,498.65-1,147.16

Finding the Fourth Proportional to 1,810.35, 2,498.65 and 1,147.16

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Solution

The fourth proportional to 1,810.35, 2,498.65 and 1,147.16 is: 1,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.35 : 2,498.65 = 1,147.16 : x
  2. Step 2: Convert to fraction form
    1,810.35/2,498.65 = 1,147.16/x
  3. Step 3: Cross multiply
    1,810.35x = 2,498.65 × 1,147.16
  4. Step 4: Simplify right side
    1,810.35x = 2,866,354.71
  5. Step 5: Solve for x
    x = 2,866,354.71/1,810.35
  6. Step 6: Final answer
    x = 1,583.32

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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.