Home / 2,013.57-2,779.95-1,316.16

Finding the Fourth Proportional to 2,013.57, 2,779.95 and 1,316.16

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Solution

The fourth proportional to 2,013.57, 2,779.95 and 1,316.16 is: 1,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.57 : 2,779.95 = 1,316.16 : x
  2. Step 2: Convert to fraction form
    2,013.57/2,779.95 = 1,316.16/x
  3. Step 3: Cross multiply
    2,013.57x = 2,779.95 × 1,316.16
  4. Step 4: Simplify right side
    2,013.57x = 3,658,858.99
  5. Step 5: Solve for x
    x = 3,658,858.99/2,013.57
  6. Step 6: Final answer
    x = 1,817.10

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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.