Home / 2,031.08-2,803.02-1,681.16

Finding the Fourth Proportional to 2,031.08, 2,803.02 and 1,681.16

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Solution

The fourth proportional to 2,031.08, 2,803.02 and 1,681.16 is: 2,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.08 : 2,803.02 = 1,681.16 : x
  2. Step 2: Convert to fraction form
    2,031.08/2,803.02 = 1,681.16/x
  3. Step 3: Cross multiply
    2,031.08x = 2,803.02 × 1,681.16
  4. Step 4: Simplify right side
    2,031.08x = 4,712,325.10
  5. Step 5: Solve for x
    x = 4,712,325.10/2,031.08
  6. Step 6: Final answer
    x = 2,320.11

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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.