Home / 2,097.02-2,895.14-1,312.13

Finding the Fourth Proportional to 2,097.02, 2,895.14 and 1,312.13

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Solution

The fourth proportional to 2,097.02, 2,895.14 and 1,312.13 is: 1,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.02 : 2,895.14 = 1,312.13 : x
  2. Step 2: Convert to fraction form
    2,097.02/2,895.14 = 1,312.13/x
  3. Step 3: Cross multiply
    2,097.02x = 2,895.14 × 1,312.13
  4. Step 4: Simplify right side
    2,097.02x = 3,798,810.57
  5. Step 5: Solve for x
    x = 3,798,810.57/2,097.02
  6. Step 6: Final answer
    x = 1,811.53

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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.